flock vs wad

flock and wad both are nouns.

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

As nouns, flock and wad are synonyms defined as:

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

flock (noun)	wad (noun)
a group of birds	a wad of something chewable as tobacco
a group of sheep or goats	(often followed by `of') a large number or amount or extent
a church congregation guided by a pastor	a small mass of soft material
an orderly crowd
(often followed by `of') a large number or amount or extent

flock (verb)	wad (verb)
come together as in a cluster or flock	crowd or pack to capacity
move as a crowd or in a group	compress into a wad