grinding vs detrition

grinding and detrition both are nouns.

Word	Noun	Adjective	Verb	Adverb
grinding	Yes	No	No	No
detrition	Yes	No	No	No

As nouns, grinding and detrition are synonyms defined as:

grinding and detrition: the wearing down of rock particles by friction due to water or wind or ice

Other synonyms of grinding include abrasion, attrition.

grinding (noun)	detrition (noun)
a harsh and strident sound (as of the grinding of gears)	effort expended in moving one object over another with pressure
material resulting from the process of grinding	the wearing down of rock particles by friction due to water or wind or ice
the wearing down of rock particles by friction due to water or wind or ice	erosion by friction