1
Medical Word Parts – English-Example
combining forms,
prefix, suffix
aababdomin/o
-ac
acous/o
not, without
away from
abdomen
pertaining to
hearing
apnea
abnormal
abdominal
cardiac
acoustic
acr/o
extremities, top, extreme point
acromegaly
acu/o
sharp, severe, sudden
acupuncture
ascites
adaden/o
adip/o
adren/o
aer/o
af-
toward
gland
fat
adrenal glands
air
toward
adduct
adenoma
adipose
adrenopathy
aerosol
-ase
-asthenia
atel/o
artery
artery
small artery
joint
joint
pertaining to
abnormal accumulation of fluid in the
abdomen
enzyme
lack of strength
incomplete
ather/o
plaque (fatty substance)
atherosclerosis
agglutin/o
clumping, sticking together
agglutination
-agon
assemble, gather, together
glucagon
-agra
-al
alb/o
albin/o/i
albumin/o
excessive pain
pertaining to
white
white
protein
pellagra
medical
-algesia
excessive sensitivity to pain
analgesia
-algia
all/o
alveol/o
amnesia
amyl/o
-an
anan/o
anaandr/o
pain
other
alveolus, air sac
loss of memory
starch
pertaining to
no, not, without
anal
up
male
myalgia
allergy
alveolar
amnesia
amylase
aneurysm/o
widened blood vessel
aneurysm
angi/o
anis/o
anorexia
anteanter/o
anthrac/o
antianxi/o
aort/o
vessel
unequal
an+or+exia
before, forward
front, before
black (as coal)
against
uneasy, distressed
aorta
absence of emotion; lack of interest or
emotional involvement
removal, carry away
ulcer
not, without
off, away
appendix
water
pertaining to
angioplasty
anisocytosis
lack of appetite
anteversion
anteroir
anthracosis
antidote
anxiolytics
aortic aneurysm
-ation
atri/o
audit/o
aur/o
autoazot/o
bibi/o
bil/i
-blast
bol/o
brachi/o
bradybronch/o/i
bucc/o
cac/o
calc/o
calci/o
cali/o
capn/o
carcin/o
-caries
carp/o
catacaus/o
cec/o
-cele
process, condition
atrium
hearing
ear
self
nitrogen
two
life
gall, bile
immature cell
to cast
arm
slow
bronchus
cheek
bad
calcium
calcium
calix, calyx
carbon dioxide
cancer
decay
wrist bones
down
burning
cecum
hernia
constipation
atrium
audiometer
auricle
autopsy
azotemia
bicuspid
biology
biliary
osteoblast
anabolism
brachial artery
bradycardia
bronchospasm
buccal mucosa
cachexia
calcium
calcitonin
caliectomy
hypercapnea
carcinoma
denticaries
carpal
catabolism
causalgia
cecum
rectocele
-centesis
surgical puncture to remove fluid
thoracocentesis
cephal/o
cerebr/o
cervic/o
-chalasia
chem/o
head
cerebrum
neck of uterus
relaxation
drug, chemical
cephalic
cerebral
cervical
achalasia
chemotherapy
-chezia
defecation, elimination of waste
hematochezia
chlor/o
chol/e
cholecyst/o
chondr/o
chrom/o
green
gall, bile
gallbladder
cartilage
color
chlorophyll
cholelithiasis
cholecystectomy
chondroma
chromophore
apathy
-apheresis
aphth/o
apnea
apoappend/o/i
aque/o
-ar
Meaning
Terminology
albinism
anemia
anal
anabolic
androgen
apathy
plasmapheresis
aphthous stomatitis
apnea
apoptosis
appendectomy
aqueous humor
tosillar
combining forms,
prefix, suffix
arter/o
arteri/o
arteriol/o
arthr/o
articul/o
-ary
Meaning
Terminology
arteriole
arteriole
arthritis
articular cartilage
pulmonary
ascites
liase
myasthenia
atelectasis
2
combining forms,
prefix, suffix
chron/o
cib/o
cin/o
cirrh/o
cis/o
-clast
coagul/o
time
meals
movement
tawny yellow
to cut
to break
clotting
chronic
post cibum
cineradiography
cirrhosis
incision
osteoclast
coagulation
-coccus
berry-shape bacterium
staphylococcus
coccyg/o
col/o
comat/o
con-
coccyx (tailbone)
colon
deep sleep
with, together
coccygeal
colonectomy
comatose
incontinence
constipation
difficult, delayed elimination of feces
contracor/o
corne/o
coron/o
cost/o
crani/o
cras/o
crin/o
cry/o
crypt/o
cutane/o
cyan/o
-cyesis
cyst/o
cyt/o
-cyte
dacry/o
dedent/i
derm/o
dermat/o
-desis
diadiaphro/o-
against, opposite
pupil
cornea
heart
rib
skull
mixture
secrete
cold
hidden
skin
blue
pregnacy
urinary bladder
cell
cell
abnormal condition of cells (slight
increase in cell numbers)
tears, tear duct
down, lack of
tooth
skin
skin
to bind, tie together
through, complete
sweat
diarrhea
frequent, loose, watery stools
diarrhea
dipl/o
dips/o
distdors/o
duct/o
duoden/o
doulble
thirst
far
back
to lead, carry
small intestine
dys-eal
ec-
Meaning
Terminology
combining forms,
prefix, suffix
-ema
-emesis
-emia
condition
vomiting
blood condition
empyema
em/py/ema
enencephal/o
endoentereosin/o
epiepiglott/o
in, within
brain
in, within
intestine
red, dawn, rosy
above
epiglottis
contraindication
anisocoria
cornea
coronary artery
costal
craniotomy
idiosyncrasy
endocrine
cryogenic surgery
cryptococcal
subcutaneous
cyanosis
pseudocyesis
cystitis
cytoplasm
erythrocyte
epitaxis
nose blood (เลือดกำเดำไหล)
epitaxis
-er
erg/o
erythr/o
es/o
person
work
red
inward
radiographer
synergism
erythrocyte
esophagus
-esthesia
nervous sensation (feeling)
anesthesia
euexexofaci/o
fibr/o
euphoria
exision
exocrine
facial
fibrosarcoma
flex/o
follicul/o
good, normal
out
out
face
fibers
the presence of gas in both the stomach
and the intestine
to bend
small glandular sacs
macrocytosis
fracture
sudden braeking of bone
fracture
dacryoadenitis
deficiency
dental
epidermis
dermatology
arthrodesis
diagnosis
diaphroresis
fung/o
galact/o
gastr/i/o
-genesis
fungus, mushroom
milk
stomach
forming
fungating tumor
galactorrhea
gastritis
pathogenesis
-genic
pertaining to producing
carcinogenic
diplopia
polydipsia
distal
dorsal
abduction
duodenum
gingiv/o
glauc/o
-globin
-globulin
gloss/o
gluc/o
gnos/i
gon/o
gonad/o
-gram
gums
gray
protein
protein
tongue
sugar
knowledge
seed
sex glands
record
gingivitis
glaucoma
hemoglobin
gamma globulin
hypoglossal
glucosuria
diagnosis
gonorrhea
gonadotropin
electrorncephalogram
bad, painful, difficult, abnormal
dyspepsia
-graph
instrument for recording
angiograph
pertaining to
out, outside
peritoneal
ectopic pregnancy
-ectasis
stretching, dilation, dilatation
brochiectasis
ecto-ectomy
electr/o
em-
out, outside
excision
electricity
in
ectopic pregnancy
nephrectomy
electrocardiography
empyema
-graphy
gynec/o
hallucin/o
hem/o
hemat/o
process of recording
woman, female
hallucination
blood
blood
bright, fresh, red blood discharged from
the rectum
-cytosis
flatus
hematochezia
Meaning
Terminology
empyema
hematemesis
leukemia, uremia
collection of pus (in
the pleural cavity)
endoscope
encephalopathy
endoscope
enteritis
eosinophil
epidermis
flatulence
reflex
follicular
gynecomastia
hallucination
hemolysis
hematoma
3
combining forms,
prefix, suffix
hemi-
half
hemisphere
hemoptysis
splitting of blood (เป็ นเลือด)
hem/o/ptysis
hepat/o
herni/o
-hexia
hidr/o
hist/o
home/o
hyperhypn/o
hypohyster/o
-ia
-iac
-iasis
iatr/o
-ic
-ic
-ical
ichthy/o
ile/o
immun/o
inin-ine
infeinfrainterintra-ion
-ior
is/o
isch/o
-ism
-ist
-itis
liver
hernia
habit
sweat
tissue
sameness
excessive
sleep
deficient, below
uterus, womb
condition
pertaining to
abnormal condition
treatment
pertaining to
pertaining to
pertaining to
scaly, dry (severe)
ileum
protection
into, in
not
a substance
low, under
beneath
between
into, within
process
pertaining to
same, equal
to hold back
process
specialist
inflammation
hepatitis
herniorhaphy
cachexia
anhidrosis
histology
homeostasis
hyperplasia
hypnotic
hypoglycemia
hysterectomy
pneumonia
cardiac
cholelithiasis
psychiatry
neurological
chronic
neurological
ichthyosis
ileostomy
immunodeficiency
incision
incontinence
epinephrine
inferior
infrapatellar
intervertebral
intravenous injection
excision
superior
anisocytosis
ischemia
embolism
nephrologist
bronchitis
-ium
structure, tissue, thing
endometrium
jaund/o
jaundice
jejun/o
kal/i
kerat/o
-kinesia
-kinesis
klept/o
labi/o
lacrim/o
lact/o
yellow
yellow-orange coloration of the skin or
other tissues due to high bilirubin level in
the blood
jejunum
potassium
hard, horny tissue
movement
movement
steal
lip
tears
milk
lapar/o
abdomen, abdiminal wall
laparoscope
-lapse
to slide, fall, sag
relapse
jaundice
Meaning
Terminology
jaundice
hypokalemia
keratosis
dyskinesia
hyperkinesis
kleptomania
labial
lacrimal
lactation
combining forms,
prefix, suffix
-lepsy
lept/o
-leptic
leth/o
leuk/o
leuk/o
lingu/o
lip/o
-listhesis
lith/o
-logy
-lucent
lute/o
seizure
thin, slender
to seize hold of
death
white
white
tongue
fat
slipping
stone
study of
to shine
yellow
-lysis
breakdown, destruction, separation
macromal-malacia
mamm/o
mandibul/o
large
bad
softening
breast
lower jaw, mandible
macroblast
malignant
osteomalacia
mammogram
mandibular
-mania
obsessive preoccupation
pharmacomania
mast/o
megal/o
-megaly
melan/o
melen/o
breast
large
enlargement
black
black
gynecomastia
megaloblast
acromegaly
melanocyte
melenocyte
melena
black, tarry stool; feces containing blood
men/o
menstruation, menstrual flow
dysmenorrhea
mening/o/i
membrane around brain
meningitis
ment/o
meta-meter
metr/o
metri/o
mi/o
micro-mission
mon/o
morph/o
mort/o
muc/o
mind
beyond, change
to measure
uterus
uterus
smaller, less
small
to send
one, single
shape, form
death
mucous
mental
metabolism
thermometer
metrorrhagia
endometriosis
miosis
microcytosis
admission
monocyte
polymorphism
mortality
mucositis
mucos/o
mucous membrane, mucosa
mucositis
multimut/a
my/o
myc/o
mydr/o
many
genetic change
muscle
fungus
widen, enlarge
multifactor
mutation
myalgia
mycobacterium
mydriasis
myel/e
bone marrow, spinal cord
myelopathy
myel/o
bone marrow, spinal cord
myeloblast
Meaning
Terminology
Epilepsy
Leptomenningitis
neuroleptic drug
lethal
leukoderma
leukemia
sublingual
lipotrophy
spondylolisthesis
nephrolithiasis
oncology
radiolucent
luteum
4
combining forms,
prefix, suffix
myx/o
narc/o
mucus
stupor
Myxedema
narcotic
nas/o
nose
nasogastric intubation
nat/i
natr/o
necr/o
nect/o
neonephr/o
noct/u/i
norm/o
nyct/o
-osmia
ocul/o
odont/o
birth
sodium
death of cell
to bind
new
kidney
night
rule, order
night
smell
eye
tooth
neonatal
hypernatremia
necrosis
connective tissue
neonatal
nephritis
nocturia
normoblast
nyctalopia
odyn/o
pain caused by swallowing
odynophagia
-oid
-ole
olig/o
resembling
little, small
scanty
adenoid
arteriole
oliguria
-oma
tumor, mass, swelling
hepatoma
onc/o
onych/o
ophthalm/o
-opia
-opsy
opt/o
-or
or/o
orchid/o
-orexia
orth/o
-ose
tumor
nail
eye
vision
process of viewing
eye
one who
oral
testis
appetite
straight,upright
pertaining to, full of
oncology
onychomycosis
ophthalmoscope
nyctalopia
biopsy
optic
doctor
oropharyngeal
orchiectomy
anorexia
orthopnea
glucose
-osis
condition, usually abnormal
nephrosis
pneumothorax
oste/o
ot/o
-ous
ox/o
oxypalat/o
panpancreat/o
bone
ear
pertaining to
oxygen
rapid, sharp, acid
palate
all
pancreas
osteoporosis
otoxicity
mucous
hypoxia
oxytocin
palatoplasty
pancytopenia
pancreatic
par-
other than, apart from
parenteral
para-
near, beside, abnormal
parathyroid
-paresis
paroxysmal
-partum
path/o
-pathy
pector/o
ped/o
slight paralysis
sudden
birth, labor
disease
disease condition
chest
child
hemiparesis
paroxysmal
Meaning
Terminology
intraocular
orthodontist
pathogenesis
adenopathy
expectoration
pediatric
combining forms,
prefix, suffix
Meaning
Terminology
leukopenia,
thrombocytopenia
dyspepsia
percutaneous
percussion
pericardium
esophagus
polyphagia
-penia
deficiency
-pepsia
perpercussion
periphag/o
-phagia
digestion
through
เคำะ
surrounding
eat, swallow
eating, swallowing
pharmac/o
medicine, chemical, drug
pharmaceut/o
pharyng/o
-phasia
phil/o
drug
pharynx
speech
attraction to
pharmaceutical
oropharyngeal
polyphasia
neutrophil
-philia
increase in cell numbers
eosinophilia
phleb/o
-phobia
-phoria
photophobia
phren/o
-physis
phyt/o
pil/o
vein
fear
feeling, bearing
fear of light
mind
to grow
plant
hair
phlebitis
xerophobia
euphoria
plas/o
formation, development
neoplasm
-plasia
formation, development
hyperplasia
-plasm
-plasty
ple/o
-plegia
pleur/o
-pnea
pneum/o
cytoplasm
angioplasty
pleomorphic
hemiplegia
เยือ
่ ช่องปอด
apnea
pneumonia
-poesis
-poietin
poli/o
polypolyp/o
-porosis
postprandal
preproproct/o
prostat/o
prote/o
proxprurit/o
pseudopsych/o
formation
surgical repair
many, more
paralysis
pleura
breathing
lung
accumulation of air or gas gathers in the
lung
formation
substance that forms
gray
many, much
polyp
pore, passage
back
meal
before, in front of
before
anus and rectum
prostate gland
protein
close
itching
false
mind
-ptosis
drooping, sagging, prolapse
apoptosis
schizophrenia
epiphysis
dermatophytosis
pilonidal cyst
erythropoesis
erythropoietin
polimyelitis
polydipsia
polypoid timor
osteoporosis
posteria
postprandal
precaution
prognosis
proctologist
prostatitis
protease
proximal
antipruritic
pseudocyesis
psychomotor
5
combining forms,
prefix, suffix
pulmon/o
py/o
pyel/o
radi/o
rerect/o
ren/o
retrorheumat/o
rhin/o
lungs
pus
renal pelvis
x-rays
back, again
rectum
kidney
behind, backward
watery flow
nose
pulmonary
pyuria
pyelonephrotis
radiology
resection
rectocele
renal ischemia
retroperitoneal
rhumatoid arthritis
rhinitis
-rrhage
bursting forth of blood
hemorrhage
-rrhea
sagittal
sarc/o
schiz/o
scirrh/o
-sclerosis
flow, discharge
lateral
flesh
split
hard
hardening
menorrhea
sagittal
sarcoma
schizophrenia
scirrhous
areriosclerosis
-scope
instrument to visully examining
endoscope
-scopy
prcess of visual examination
laparoscopy
Meaning
combining forms,
prefix, suffix
suppression
suprasyn-, symsyncop/o
tachytax/o
tel/o
ten/o
tendin/o
thec/o
-therapy
-thorax
thromb/o
-thymia
-tic
tin/o
-tomy
tox/o
trache/o
transtritrich/o
to stop
above, upper
together, with
to cut off, cut short
fast
order, coordination
complete
tendon
tendon
sheath
treatment
chest
clot
mind
pertaining to
hold
process of cutting
poison
trachea
across
three
hair
seborrhea
-trophy
nourishment, development
hypertrophy
resection
sepsis
sialolith
sideropenia
-ule
ultra-
little, small
beyond, excess
venule
ultrasound
-um
structure, tissue, thing
pericardium
ungu/o
uniur/o
ureter
urethra
nail
one
urinary tract, urine
ท่อไต
ท่อปั สสำวะ
subungual
uniform
uremia
-uria
urinaion; urine condition
vas/o
vascul/o
ven/o
vessel
vessel
vein
anuria, hemauria,
gylcosuria
vasoconstriction
vascular
intravenous injection
ventricul/o
ventricle, lower heart chamber
ventricular fibrillation
vesic/o
urinary bladder
perivesical
vesicle
small blister on the skin
viscer/o
vit/o
vitr/o
viv/o
xanth/o
xer/o
-y
internal organs
life
glass
life
yellow
dry (mild)
condition, process
Terminology
spher/o
sphygm/o
spir/o
splen/o
spondyl/o
squam/o
stomat/o
staphyl/o
-stasis
steat/o
sebum (oily secretion from sebaceous
gland)
to cut
infection
saliva, salivary
iron
sigmoid colon
sinus, cavity
state of
body
bodies
sleep
sound
sudden, involuntary contraction of
muscles
round
pulse
breathing
spleen
vertebra
scale-like
oral
cluster
stop, control, place
fat
-stenosis
tightening, stricture, narrowing
pyloric stenosis
ster/o
steth/o
solid structure
chest
steroid
stethoscope
-stomy
opening to form a mouth
colostomy
strept/o
subsuper-
twisted chain
below, under
over, above
streptococcal
subtherapeutic
superior
seb/o
sect/o
sep/o
sial/o
sider/o
sigmoid/o
sinus/o
-sis
somat/o
-somes
somn/o
son/o
-spasm
sinusitis
prognosis
somatotropin
chromosomes
somnolence
sonogram
bronchospasm
spherocytosis
sphygmomanometer
expiration
splenomegaly
spondylitis
squamous
stomatitis
staphylococcus
homeostasis
steatorrhea
Meaning
Terminology
synergist
syncope
tachycardia
ataxia
atelectasis
intrathecal injection
chemotherapy
hemothorax
thrombocyte
cyclothymia
necrotic
incontinence
esteotomy
toxin
tracheostomy
transplant
tricuspid
trichomycosis
visceral
vitamin
in vitro
in vivo
xanthoma
xerophobia
acromegaly