As nouns the difference between grading and earthwork
is that grading is gradation while earthwork is any structure made from earth; especially an embankment or rampart used as a fortification.
As a verb grading
is .
grading
English
Verb
(head)
Anagrams
*
earthwork
English
Noun
(
en noun)
Any structure made from earth; especially an embankment or rampart used as a fortification