fraud vs shammer

fraud and shammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
fraud	Yes	No	No	No
shammer	Yes	No	No	No

As nouns, fraud and shammer are synonyms defined as:

Other synonyms of fraud include fake, faker, imposter, impostor, pretender, pseud, pseudo, role player, sham.

fraud (noun)	shammer (noun)
intentional deception resulting in injury to another person	a person who makes deceitful pretenses
something intended to deceive; deliberate trickery intended to gain an advantage	someone shirking their duty by feigning illness or incapacity
the act of swindling by some fraudulent scheme
a person who makes deceitful pretenses