bonanza vs manna from heaven

bonanza and manna from heaven both are nouns.

Word	Noun	Adjective	Verb	Adverb
bonanza	Yes	No	No	No
manna from heaven	Yes	No	No	No

As nouns, bonanza and manna from heaven are synonyms defined as:

bonanza and manna from heaven: a sudden happening that brings good fortune (as a sudden opportunity to make money)

Other synonyms of bonanza include boom, bunce, godsend, gold rush, gravy, windfall.

bonanza (noun)	manna from heaven (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)
an especially rich vein of precious ore	(Old Testament) food that God gave the Israelites during the Exodus