Root Words cred- & jur-,jus-,judcred- = believe
credential (n.) a document that
proves a person is believable
credible (adj.) believable; reliable
discredit (v.) to refuse to believe;
loss of reputation; lack or loss of
belief or confidence
incredulous (adj.) doubting;
unwilling or unable to believe
jur-, jus-, jud- = law; justice
jurisdiction (n.) the territory or land
in which justice and laws are
administered and followed
just (adj.) lawful; fair
justification (n.) the fact that is said
to prove that something is true, right,
or lawful
perjury (v.) to break the law by
lying; to break a formal promise; to
break an oath