corolla vs gyre

corolla and gyre both are nouns.

Word	Noun	Adjective	Verb	Adverb
corolla	Yes	No	No	No
gyre	Yes	No	No	No

As nouns, gyre is a hypernym of corolla; that is, gyre is a word with a broader meaning than corolla:

corolla: (botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth
gyre: a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

Other hypernyms of corolla include coil, curl, curlicue, ringlet, roll, scroll, whorl.

corolla (noun)	gyre (noun)
(botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth	a round shape formed by a series of concentric circles (as formed by leaves or flower petals)