THESAURUS
knurl
Vandyke, bilge, blain, blaze, bleb, blister, blob, boss, bow, bubble, bulb, bulge, bulla, bump, bunch, burl, button, cahot, chine, chop, clump, condyle, convex, crenellate, crenulate, crimp, cut, dowel, ear, flange, flap, gall, gash, gnarl, handle, hill, hump, hunch, incise, indent, jag, jog, joggle, knob, knot, knur, lip, loop, lump, machicolate, mill, mole, mountain, nevus, nick, notch, nub, nubbin, nubble, papilloma, peg, picot, pink, rib, ridge, ring, scallop, scarify, score, scotch, serrate, shoulder, slash, spine, stud, style, tab, tooth, tubercle, tubercule, verruca, vesicle, wale, wart, welt