wad vs hatful

wad and hatful both are nouns.

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

As nouns, wad and hatful are synonyms defined as:

wad and hatful: (often followed by `of') a large number or amount or extent

wad (noun)	hatful (noun)
a wad of something chewable as tobacco	as many or as much as a hat will hold
(often followed by `of') a large number or amount or extent	(often followed by `of') a large number or amount or extent
a small mass of soft material

wad (verb)	hatful (verb)
crowd or pack to capacity
compress into a wad