Plimsoll line, Plimsoll mark, birthmark, blaze, blemish, blotch, brand, caste mark, check, checkmark, cicatrix, cut, dapple, discoloration, dot, earmark, engraving, fleck, flick, freckle, gash, graving, hack, high-water mark, jot, lentigo, load waterline, macula, mark, marking, mole, mottle, nevus, nick, notch, patch, point, polka dot, prick, puncture, scar, scarification, score, scotch, scratch, scratching, speck, speckle, splash, splotch, spot, stain, stigma, strawberry mark, tattoo, tattoo mark, tick, tidemark, tittle, waterline