freshet vs spate

freshet and spate both are nouns.

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

As nouns, freshet and spate are synonyms defined as:

freshet and spate: the occurrence of a water flow resulting from sudden rain or melting snow

freshet (noun)	spate (noun)
the occurrence of a water flow resulting from sudden rain or melting snow	the occurrence of a water flow resulting from sudden rain or melting snow
	a sudden forceful flow
	(often followed by `of') a large number or amount or extent