Synonyms for Fraud (same or very similar meaning)
WordNet sense 1 (a person who makes deceitful pretenses):
fake, faker, imposter, impostor, pretender, pseudo, sham, pseud, shammer, role playerWordNet sense 2 (something intended to deceive; deliberate trickery intended to gain an advantage):
fraudulence, hoax, humbug, put-on, duperyFrom the ODE community, based on WordNetadd/edit