THESAURUS
rub out
abbreviate, ablate, abrade, abrase, abridge, annihilate, assassinate, bark, blast, blot, blot out, blue-pencil, bowdlerize, bump off, cancel, censor, chafe, cool, croak, cross out, cut, decimate, dele, delete, demolish, do in, dust off, edit, edit out, efface, erase, erode, expunge, expurgate, file, finish, fix, fray, frazzle, fret, gall, get, give the business, gnaw, gnaw away, grate, graze, grind, gun down, hit, ice, kill, knock off, lay out, liquidate, obliterate, off, omit, polish off, put away, rasp, raze, rescind, rub away, rub off, ruin, rule out, scour, scrape, scratch, scratch out, scrub, scuff, settle, shatter, skin, smash, sponge, sponge out, strike, strike off, strike out, take care of, void, waste, wear, wear away, wipe out, wreck, zap
ROGET THESAURUS
rub out
Friction
VB
rub, scratch, scrape, scrub, slide, fray, rasp, graze, curry, scour, polish,
rub out, wear down, gnaw, file, grind, set one's teeth on edge, rosin.
Obliteration
VB
efface, obliterate, erase, raze, rase, expunge, cancel, blot out, take out,
rub out, scratch out, strike out, wipe out, wash out, sponge out, wipe off, rub off, wipe away, deface, render illegible, draw the pen through, apply the sponge, be effaced, leave no trace, leave not a rack behind.