crunch vs pulverisation

crunch and pulverisation both are nouns.

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

As nouns, pulverisation is a hyponym of crunch; that is, pulverisation is a word with a more specific, narrower meaning than crunch:

Other hyponyms of crunch include grind, mill, pulverization.

crunch (noun)	pulverisation (noun)
the act of crushing	the act of grinding to a powder or dust
the sound of something crunching	annihilation by pulverizing something
a critical situation that arises because of a shortage (as a shortage of time or money or resources)	a solid substance in the form of tiny loose particles; a solid that has been pulverized

crunch (verb)	pulverisation (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