covey vs flock

covey and flock both are nouns.

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

As nouns, flock is a hypernym of covey; that is, flock is a word with a broader meaning than covey:

covey (noun)	flock (noun)
a small flock of grouse or partridge	a group of birds
a small collection of people	a group of sheep or goats
	a church congregation guided by a pastor
	an orderly crowd
	(often followed by `of') a large number or amount or extent

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