wad vs chaw

wad and chaw both are nouns.

Word	Noun	Adjective	Verb	Adverb
wad	Yes	No	Yes	No
chaw	Yes	No	Yes	No

As nouns, wad and chaw are synonyms defined as:

Other synonyms of wad include chew, cud, plug, quid.

wad (noun)	chaw (noun)
a wad of something chewable as tobacco	a wad of something chewable as tobacco
(often followed by `of') a large number or amount or extent
a small mass of soft material

wad (verb)	chaw (verb)
crowd or pack to capacity	chew without swallowing
compress into a wad