knop

bin, knop

mouth, knop, bud, button, gemma

eminence, nook, projection, excrescence, mound, bulge, protuberance, protuberancy, granulation, bump, overhang, knob, knop, nub, stigma, promontory, ledge, burr, tumor, convexity, ganglion, node, nodule, knurl, eminency, turgescence, excrescency, ridge, gibbosity, outgrowth, knur, verruca, whaleback

knob, knop, button, gemma, tuber, tubercle

cupola, dome, knob, knop, thole, knurl

knop