spate vs flock

spate and flock both are nouns.

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

As nouns, spate and flock are synonyms defined as:

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

spate (noun)	flock (noun)
the occurrence of a water flow resulting from sudden rain or melting snow	a group of birds
a sudden forceful flow	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

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