polychete worm vs polychaete worm

polychete worm and polychaete worm both are nouns.

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

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

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

Other synonyms of polychete worm include polychaete, polychete.

polychete worm (noun)	polychaete worm (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