ball balloon bilge bit bladder blain bleb blister boll bolus boss bow bubble bulb bulbil bulblet bulge bulla bump bunch burl button cahot chine clump condyle convex dab dowel drop droplet ear ellipsoid flange flap gall geoid globe globelet globoid globule glomerulus gnarl gob gobbet gout handle hill hump hunch jog joggle knob knot knur knurl lip loop lump mole mountain nevus nub nubbin nubble oblate spheroid orb orbit orblet papilloma peg pellet prolate spheroid rib ridge ring rondure shoulder smidgen smidgin sphere spheroid spherule spine stud style tab tubercle tubercule verruca vesicle wale wart welt