fracture vs cracking

fracture and cracking both are nouns.

Word	Noun	Adjective	Verb	Adverb
fracture	Yes	No	Yes	No
cracking	Yes	Yes	No	No

As nouns, fracture and cracking are synonyms defined as:

Other synonyms of fracture include crack.

fracture (noun)	cracking (noun)
the act of cracking something	the act of cracking something
(geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other	a sudden sharp noise
breaking of hard tissue such as bone	the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)

fracture (adjective)	cracking (adjective)
	excellent