attrition vs contrition

attrition and contrition both are nouns.

Word	Noun	Adjective	Verb	Adverb
attrition	Yes	No	No	No
contrition	Yes	No	No	No

As nouns, attrition and contrition are synonyms defined as:

Other synonyms of attrition include contriteness.

attrition (noun)	contrition (noun)
the act of rubbing together; wearing something down by friction	sorrow for sin arising from fear of damnation
a wearing down to weaken or destroy
sorrow for sin arising from fear of damnation
the wearing down of rock particles by friction due to water or wind or ice
erosion by friction