compaction vs crunch

compaction and crunch both are nouns.

Word	Noun	Adjective	Verb	Adverb
compaction	Yes	No	No	No
crunch	Yes	No	Yes	No

As nouns, compaction and crunch are synonyms defined as:

Other synonyms of compaction include crush.

compaction (noun)	crunch (noun)
the act of crushing	the act of crushing
an increase in the density of something	the sound of something crunching
	a critical situation that arises because of a shortage (as a shortage of time or money or resources)

compaction (verb)	crunch (verb)
	reduce to small pieces or particles by pounding or abrading
	make a crushing noise
	crush with the teeth, making a grinding sound
	press or grind with a crushing noise