coiling vs spiralling

coiling and spiralling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
coiling	No	Yes	No	No
spiralling	No	Yes	No	No

As adjectives, coiling and spiralling are synonyms defined as:

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

coiling (adjective)	spiralling (adjective)
in the shape of a coil	in the shape of a coil