jawless vertebrate vs jawless fish

jawless vertebrate and jawless fish both are nouns.

Word	Noun	Adjective	Verb	Adverb
jawless vertebrate	Yes	No	No	No
jawless fish	Yes	No	No	No

As nouns, jawless vertebrate and jawless fish are synonyms defined as:

jawless vertebrate and jawless fish: eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms

Other synonyms of jawless vertebrate include agnathan.

jawless vertebrate (noun)	jawless fish (noun)
eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms	eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms