utricle vs utriculus

utricle and utriculus both are nouns.

Word	Noun	Adjective	Verb	Adverb
utricle	Yes	No	No	No
utriculus	Yes	No	No	No

As nouns, utricle and utriculus are synonyms defined as:

utricle and utriculus: a small pouch into which the semicircular canals open

utricle (noun)	utriculus (noun)
a small pouch into which the semicircular canals open	a small pouch into which the semicircular canals open