flock vs mountain

flock and mountain both are nouns.

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

As nouns, flock and mountain are synonyms defined as:

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

flock (noun)	mountain (noun)
a group of birds	a land mass that projects well above its surroundings; higher than a hill
a group of sheep or goats	(often followed by `of') a large number or amount or extent
a church congregation guided by a pastor
an orderly crowd
(often followed by `of') a large number or amount or extent

flock (verb)	mountain (verb)
come together as in a cluster or flock
move as a crowd or in a group