thud vs scrunch

thud and scrunch both are nouns.

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

As verbs, thud and scrunch are synonyms defined as:

Other synonyms of thud include crump.

thud (noun)	scrunch (noun)
a heavy dull sound (as made by impact of heavy objects)	a crunching noise

thud (verb)	scrunch (verb)
strike with a dull sound	make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic
make a dull sound	sit on one's heels
make a noise typical of an engine lacking lubricants	make a noise typical of an engine lacking lubricants