verticil vs whorl

verticil and whorl both are nouns.

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

As nouns, whorl is a hypernym of verticil; that is, whorl is a word with a broader meaning than verticil:

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

Other hypernyms of verticil include coil, curl, curlicue, gyre, ringlet, roll, scroll.

verticil (noun)	whorl (noun)
a whorl of leaves growing around a stem	a structure consisting of something wound in a continuous series of loops
	lock of hair in the shape of a spiral or curl
	a round shape formed by a series of concentric circles (as formed by leaves or flower petals)