gyre vs verticil

gyre and verticil both are nouns.

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

As nouns, verticil is a hyponym of gyre; that is, verticil is a word with a more specific, narrower meaning than gyre:

gyre: a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
verticil: a whorl of leaves growing around a stem

Other hyponyms of gyre include corolla, calyx.

gyre (noun)	verticil (noun)
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)	a whorl of leaves growing around a stem