heap vs spate

heap and spate both are nouns.

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

As nouns, heap and spate are synonyms defined as:

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

heap (noun)	spate (noun)
a car that is old and unreliable	the occurrence of a water flow resulting from sudden rain or melting snow
a collection of objects laid on top of each other	a sudden forceful flow
(often followed by `of') a large number or amount or extent	(often followed by `of') a large number or amount or extent