bonanza vs bunce

bonanza and bunce both are nouns.

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

As nouns, bonanza and bunce are synonyms defined as:

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

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

bonanza (noun)	bunce (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