epicalyx vs bract

epicalyx and bract both are nouns.

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

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

epicalyx: 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

epicalyx (noun)	bract (noun)
a group of bracts simulating a calyx as in a carnation or hibiscus	a modified leaf or leaflike part just below and protecting an inflorescence