nemertine vs proboscis worm

nemertine and proboscis worm both are nouns.

Word	Noun	Adjective	Verb	Adverb
nemertine	Yes	No	No	No
proboscis worm	Yes	No	No	No

As nouns, nemertine and proboscis worm are synonyms defined as:

nemertine and proboscis worm: soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract

Other synonyms of nemertine include nemertean, ribbon worm.

nemertine (noun)	proboscis worm (noun)
soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract	soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract