whorl vs gyre

whorl and gyre both are nouns.

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

As nouns, whorl and gyre are synonyms defined as:

whorl and gyre: a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

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

whorl (noun)	gyre (noun)
a structure consisting of something wound in a continuous series of loops	a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
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)