bunce vs bonanza

bunce and bonanza both are nouns.

Word	Noun	Adjective	Verb	Adverb
bunce	Yes	No	No	No
bonanza	Yes	No	No	No

As nouns, bunce and bonanza are synonyms defined as:

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

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

bunce (noun)	bonanza (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