exaggeration vs deceit

exaggeration and deceit both are nouns.

Word	Noun	Adjective	Verb	Adverb
exaggeration	Yes	No	No	No
deceit	Yes	No	No	No

As nouns, deceit is a hypernym of exaggeration; that is, deceit is a word with a broader meaning than exaggeration:

Other hypernyms of exaggeration include deception, misrepresentation.

exaggeration (noun)	deceit (noun)
the act of making something more noticeable than usual	the act of deceiving
making to seem more important than it really is	the quality of being fraudulent
extravagant exaggeration	a misleading falsehood