What is another word for "flaw"?

Roget's Thesaurus (1911) lists these synonyms for "flaw": abra, absence, abysm, abyss, barranca, between, birthmark, blain, blemish, blobber, blobber-lipped, bloodshot, blot, blotch, blubber, blur, breach, breachy, break, caesura, canon, chap, chasm, chink, cleft, clove, crack, cranny, creek, crevasse, crevice, cut, defect, defile, deformity, deterioration, dike, dirt, discolored, disfigure.