Synonyms and related words :
abysm, abyss, alveolation, alveolus, antrum, armpit, basin, birthmark, blackhead, bleb, blemish, blister, bowl, bulla, cavity, chasm, check, cicatrix, comedo, concave, concavity, crack, craze, crevasse, crypt, cup, deep, defacement, defect, deformation, deformity, depression, depth, dip, disfiguration, disfigurement, distortion, fault, flaw, fold, follicle, freckle, funnel chest, gulf, hemangioma, hickey, hole, hollow, hollow shell, keloid, kink, lacuna, lentigo, milium, mole, needle scar, nevus, pimple, pit, pock, pocket, pockmark, port-wine mark, port-wine stain, punch bowl, pustule, rift, scab, scar, scoop, scratch, sebaceous cyst, shaft, shell, sink, sinus, socket, split, strawberry mark, sty, track, trough, twist, verruca, vesicle, vug, wale, warp, wart, weal, well, welt, wen, whitehead, yawning abyss