tunicate vs urochordate

tunicate and urochordate both are nouns.

Word	Noun	Adjective	Verb	Adverb
tunicate	Yes	No	No	No
urochordate	Yes	No	No	No

As nouns, tunicate and urochordate are synonyms defined as:

tunicate and urochordate: primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva

Other synonyms of tunicate include urochord.

tunicate (noun)	urochordate (noun)
primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva	primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva