grading vs evaluation

grading and evaluation both are nouns.

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

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

Other hypernyms of grading include rating.

grading (noun)	evaluation (noun)
the act of arranging in a graduated series	act of ascertaining or fixing the value or worth of
evaluation of performance by assigning a grade or score	an appraisal of the value of something
changing the ground level to a smooth horizontal or gently sloping surface