overvaluation vs evaluation

overvaluation and evaluation both are nouns.

Word	Noun	Adjective	Verb	Adverb
overvaluation	Yes	No	No	No
evaluation	Yes	No	No	No

As nouns, evaluation is a hypernym of overvaluation; that is, evaluation is a word with a broader meaning than overvaluation:

Other hypernyms of overvaluation include rating, valuation.

overvaluation (noun)	evaluation (noun)
too high a value or price assigned to something	act of ascertaining or fixing the value or worth of
an appraisal that is too high	an appraisal of the value of something