muckle vs wad

muckle and wad both are nouns.

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

As nouns, muckle and wad are synonyms defined as:

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

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

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