is a specific kind of: wear away, wear off.

is a broader term that covers: chafe, excoriate | rasp.

derivation: rubdown | abradant, abrader | abrasion, attrition, detrition, grinding | abrasion, attrition, corrasion, detrition | abrasion, excoriation, scrape, scratch | abradant, abrasive, abrasive material | abrasive, scratchy.