verb
1.
Synonyms: eat 3, bite, corrode, eat away, gnaw, scour, wear (away)
Related Word: crumble, decay, deteriorate, disintegrate; consume
2.
Synonyms: abrade 1, chafe, corrade, gall, graze, rub, ruffle, wear
Related Word: grate, rub (off or away), scrape (off or away)