velvet worm vs peripatus

velvet worm and peripatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
velvet worm	Yes	No	No	No
peripatus	Yes	No	No	No

As nouns, velvet worm and peripatus are synonyms defined as:

velvet worm and peripatus: any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms

Other synonyms of velvet worm include onychophoran.

velvet worm (noun)	peripatus (noun)
any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms	any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms