morsel vs wad

morsel and wad both are nouns.

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

As nouns, wad is a hyponym of morsel; that is, wad is a word with a more specific, narrower meaning than morsel:

Other hyponyms of morsel include chaw, chew, cud, plug, quid, crumb, sop, sops.

morsel (noun)	wad (noun)
a small amount of solid food; a mouthful	a wad of something chewable as tobacco
a small quantity of anything	(often followed by `of') a large number or amount or extent
	a small mass of soft material

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