polychete worm vs polychete

polychete worm and polychete both are nouns.

Word	Noun	Adjective	Verb	Adverb
polychete worm	Yes	No	No	No
polychete	Yes	No	No	No

As nouns, polychete worm and polychete are synonyms defined as:

polychete worm and polychete: chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles

Other synonyms of polychete worm include polychaete, polychaete worm.

polychete worm (noun)	polychete (noun)
chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles	chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles