cephalochordate vs chordate

cephalochordate and chordate both are nouns.

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

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

cephalochordate: fish-like animals having a notochord rather than a true spinal column
chordate: any animal of the phylum Chordata having a notochord or spinal column

cephalochordate (noun)	chordate (noun)
fish-like animals having a notochord rather than a true spinal column	any animal of the phylum Chordata having a notochord or spinal column

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