hexapod vs creature

hexapod and creature both are nouns.

Word	Noun	Adjective	Verb	Adverb
hexapod	Yes	No	No	No
creature	Yes	No	No	No

As nouns, creature is a hypernym of hexapod; that is, creature is a word with a broader meaning than hexapod:

Other hypernyms of hexapod include animal, animate being, beast, brute, fauna.

hexapod (noun)	creature (noun)
an animal having six feet	a living organism characterized by voluntary movement
	a living being
	a person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else