hex-, hexa-

(Greek: six; a number used as a prefix)

hexaploidy
hexapod
Hexapoda
hexapody
hexarchy
Rule by six; specifically, by six states.
hexasyllable
hexavaccine (s) (noun)
A vaccine composed of six different antigens.
hexavalent
Combining with, or capable of, replacing six atoms of hydrogen or other univalent element or radical.
hexode