abrasion vs friction

abrasion and friction both are nouns.

Word	Noun	Adjective	Verb	Adverb
abrasion	Yes	No	No	No
friction	Yes	No	No	No

As nouns, friction is a hypernym of abrasion; that is, friction is a word with a broader meaning than abrasion:

abrasion: the wearing down of rock particles by friction due to water or wind or ice
friction: the resistance encountered when one body is moved in contact with another

Other hypernyms of abrasion include rubbing.

abrasion (noun)	friction (noun)
the wearing down of rock particles by friction due to water or wind or ice	effort expended in moving one object over another with pressure
erosion by friction	the resistance encountered when one body is moved in contact with another
an abraded area where the skin is torn or worn off	a state of conflict between persons