chordate vs creature

chordate and creature both are nouns.

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

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

chordate: any animal of the phylum Chordata having a notochord or spinal column
creature: a living organism characterized by voluntary movement

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

chordate (noun)	creature (noun)
any animal of the phylum Chordata having a notochord or spinal column	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

chordate (adjective)	creature (adjective)
of or relating to or characteristic of the Chordata