Pen- Greek meaning 5
Pentagon a plane figure with five straight sides and five
angles.
Pentathletean athlete participating in a pentathlon
pentathlon: an athletic contest involving participation by
each contestant in five different events
Pentacle a 6-pointed star
pentagram
a star with five points, drawn using
five straight lines, sometimes used as
a symbol of magic:
Oct – Latin word meaning 8
Octopus
a sea creature with a soft, oval body and
eight tentacles (= long parts like arms)
October
the tenth month of the year, after September and
before November
Octagon
a flat shape with eight straight sides
Octagonal
having eight straight sides: