bunco vs defraud

bunco is a noun but defraud is not a noun.

Word	Noun	Adjective	Verb	Adverb
bunco	Yes	No	Yes	No
defraud	No	No	Yes	No

As verbs, bunco and defraud are synonyms defined as:

Other synonyms of bunco include con, diddle, goldbrick, hornswoggle, mulct, nobble, rook, scam, short-change, swindle, victimize.

bunco (noun)	defraud (noun)
a swindle in which you cheat at gambling or persuade a person to buy worthless property

bunco (verb)	defraud (verb)
deprive of by deceit	deprive of by deceit