helical vs whorled

helical and whorled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
helical	No	Yes	No	No
whorled	No	Yes	No	No

As adjectives, helical and whorled are synonyms defined as:

Other synonyms of helical include coiling, spiral, spiraling, spiralling, turbinate, volute, voluted.

helical (adjective)	whorled (adjective)
in the shape of a coil	forming one or more whorls (especially a whorl of leaves around a stem)
	in the shape of a coil