spate vs freshet

spate and freshet both are nouns.

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

As nouns, spate and freshet are synonyms defined as:

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

spate (noun)	freshet (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