scam vs cheat

scam and cheat both are nouns.

Word	Noun	Adjective	Verb	Adverb
scam	Yes	No	Yes	No
cheat	Yes	No	Yes	No

As nouns, cheat is a hypernym of scam; that is, cheat is a word with a broader meaning than scam:

Other hypernyms of scam include fraud, rig, swindle.

As verbs, cheat is a hypernym of scam; that is, cheat is a word with a broader meaning than scam:

Other hypernyms of scam include chisel, rip off.

scam (noun)	cheat (noun)
a fraudulent business scheme	a deception for profit to yourself
	the act of swindling by some fraudulent scheme
	someone who leads you to believe something that is not true
	weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous
	weedy annual native to Europe but widely distributed as a weed especially in wheat

scam (verb)	cheat (verb)
deprive of by deceit	defeat someone through trickery or deceit
	deprive somebody of something by deceit
	engage in deceitful behavior; practice trickery or fraud
	be sexually unfaithful to one's partner in marriage