hatful vs wad

hatful and wad both are nouns.

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

As nouns, hatful and wad are synonyms defined as:

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

hatful (noun)	wad (noun)
as many or as much as a hat will hold	a wad of something chewable as tobacco
(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

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