reevaluation vs rating

reevaluation and rating both are nouns.

Word	Noun	Adjective	Verb	Adverb
reevaluation	Yes	No	No	No
rating	Yes	No	No	No

As nouns, rating is a hypernym of reevaluation; that is, rating is a word with a broader meaning than reevaluation:

Other hypernyms of reevaluation include evaluation, valuation.

reevaluation (noun)	rating (noun)
the evaluation of something a second time (or more)	act of ascertaining or fixing the value or worth of
	an appraisal of the value of something
	standing or position on a scale
	rank in a military organization