ablate, abrade, abrase, bark, chafe, erase, erode, file, fray, frazzle, fret, gall, gnaw, gnaw away, grate, graze, grind, rasp, raze, rub away, rub out, scour, scrape, scrub, scuff, skin, tatter, wear, wear away, wear down, wear off, wear out, wear ragged, weather