gold rush vs godsend

gold rush and godsend both are nouns.

Word	Noun	Adjective	Verb	Adverb
gold rush	Yes	No	No	No
godsend	Yes	No	No	No

As nouns, gold rush and godsend are synonyms defined as:

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

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

gold rush (noun)	godsend (noun)
a large migration of people to a newly discovered gold field	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)