urochordate vs tunicate

urochordate and tunicate both are nouns.

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

As nouns, urochordate and tunicate are synonyms defined as:

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

Other synonyms of urochordate include urochord.

urochordate (noun)	tunicate (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