chaw vs wad

chaw and wad both are nouns.

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

As nouns, chaw and wad are synonyms defined as:

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

chaw (noun)	wad (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

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