grade vs grading

grade and grading both are nouns.

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

grade (noun)	grading (noun)
a variety of cattle produced by crossbreeding with a superior breed	the act of arranging in a graduated series
a position on a scale of intensity or amount or quality	evaluation of performance by assigning a grade or score
the gradient of a slope or road or other surface	changing the ground level to a smooth horizontal or gently sloping surface
the height of the ground on which something stands
a number or letter indicating quality (especially of a student's performance)
a degree of ablaut
a body of students who are taught together
one-hundredth of a right angle
a relative position or degree of value in a graded group

grade (verb)	grading (verb)
determine the grade of or assign a grade to
assign a rank or rating to
assign a grade or rank to, according to one's evaluation
level to the right gradient