swindler vs scammer

swindler and scammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
swindler	Yes	No	No	No
scammer	Yes	No	No	No

As nouns, swindler and scammer are synonyms defined as:

swindler and scammer: a person who swindles you by means of deception or fraud

Other synonyms of swindler include chiseler, chiseller, defrauder, gouger, grifter.

swindler (noun)	scammer (noun)
a person who swindles you by means of deception or fraud	a person who swindles you by means of deception or fraud