n. 25B6; noun
he was arrested for fraud : FRAUDULENCE, sharp practice, cheating, swindling, embezzlement, deceit, deception, double-dealing, chicanery.
social security frauds : SWINDLE, racket, deception, trick, cheat, hoax; informal scam, con, con trick, rip-off, sting, gyp, diddle, fiddle; N. Amer. informal bunco, hustle, grift.
they exposed him as a fraud : IMPOSTOR, fake, sham, charlatan, quack, mountebank; swindler, fraudster, racketeer, cheat, confidence trickster; informal phoney, con man, con artist.