spate vs surge

spate and surge both are nouns.

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

As nouns, spate and surge are synonyms defined as:

Other synonyms of spate include rush, upsurge.

spate (noun)	surge (noun)
the occurrence of a water flow resulting from sudden rain or melting snow	a sudden or abrupt strong increase
a sudden forceful flow	a sudden forceful flow
(often followed by `of') a large number or amount or extent	a large sea wave

spate (verb)	surge (verb)
	see one's performance improve
	rise rapidly
	rise and move, as in waves or billows
	rise or move forward
	rise or heave upward under the influence of a natural force such as a wave