crunch vs thud

crunch and thud both are nouns.

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

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

Other hyponyms of crunch include crump, scrunch.

crunch (noun)	thud (noun)
the act of crushing	a heavy dull sound (as made by impact of heavy objects)
the sound of something crunching
a critical situation that arises because of a shortage (as a shortage of time or money or resources)

crunch (verb)	thud (verb)
reduce to small pieces or particles by pounding or abrading	strike with a dull sound
make a crushing noise	make a dull sound
crush with the teeth, making a grinding sound	make a noise typical of an engine lacking lubricants
press or grind with a crushing noise