crackling vs crackle

crackling and crackle both are nouns.

Word	Noun	Adjective	Verb	Adverb
crackling	Yes	No	No	No
crackle	Yes	Yes	Yes	No

As nouns, crackling and crackle are synonyms defined as:

Other synonyms of crackling include crepitation.

crackling (noun)	crackle (noun)
the sharp sound of snapping noises	glazed china with a network of fine cracks on the surface
the residue that remains after animal fat has been rendered	the sharp sound of snapping noises

crackling (adjective)	crackle (adjective)
	having the surface decorated with a network of fine cracks, as in crackleware

crackling (verb)	crackle (verb)
	to become, or to cause to become, covered with a network of small cracks
	make a crushing noise
	make a crackling sound