windfall vs godsend

windfall and godsend both are nouns.

Word	Noun	Adjective	Verb	Adverb
windfall	Yes	No	No	No
godsend	Yes	No	No	No

As nouns, windfall and godsend are synonyms defined as:

windfall and godsend: a sudden happening that brings good fortune (as a sudden opportunity to make money)

Other synonyms of windfall include bonanza, boom, bunce, gold rush, gravy, manna from heaven.

windfall (noun)	godsend (noun)
a sudden happening that brings good fortune (as a sudden opportunity to make money)	a sudden happening that brings good fortune (as a sudden opportunity to make money)
fruit that has fallen from the tree