calycle vs bract

calycle and bract both are nouns.

Word	Noun	Adjective	Verb	Adverb
calycle	Yes	No	No	No
bract	Yes	No	No	No

As nouns, bract is a hypernym of calycle; that is, bract is a word with a broader meaning than calycle:

calycle: a group of bracts simulating a calyx as in a carnation or hibiscus
bract: a modified leaf or leaflike part just below and protecting an inflorescence

calycle (noun)	bract (noun)
a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)	a modified leaf or leaflike part just below and protecting an inflorescence
a group of bracts simulating a calyx as in a carnation or hibiscus