What is another word for "speck"?

Roget's Thesaurus (1911) lists these synonyms for "speck": absence, any, birthmark, blain, blemish, blobber, blobber-lipped, bloodshot, blot, blotch, blubber, blur, cipher, defect, deformity, deterioration, dirt, discolored, disfigure, disfigurement, drop, egg, excrescence, eyesore, flaw, freckle, freckled, goose, hair, hide, hint, imperfect, imperfection, injure, injury, iota, jot, lip, list, macula.