spate vs good deal

spate and good deal both are nouns.

Word	Noun	Adjective	Verb	Adverb
spate	Yes	No	No	No
good deal	Yes	No	No	No

As nouns, spate and good deal are synonyms defined as:

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

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