caliculus vs calyculus

caliculus and calyculus both are nouns.

Word	Noun	Adjective	Verb	Adverb
caliculus	Yes	No	No	No
calyculus	Yes	No	No	No

As nouns, caliculus and calyculus are synonyms defined as:

caliculus and calyculus: a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)

Other synonyms of caliculus include calycle.

caliculus (noun)	calyculus (noun)
a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)	a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)
	a group of bracts simulating a calyx as in a carnation or hibiscus