spiralling vs spiraling

spiralling and spiraling both are adjectives.

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

As adjectives, spiralling and spiraling are synonyms defined as:

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

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