ornamentation vs knob

Other hyponyms of ornamentation include adornment, arabesque, architectural ornament, beading, beadwork, bow, brass, centerpiece, centrepiece, Christmas tree, cockade, design, figure, pattern, embellishment, finial, floral arrangement, flower arrangement, falderol, folderal, frill, gimcrack, gimcrackery, nonsense, trumpery, gargoyle, garnish, graffiti, graffito, hanging, wall hanging, hood ornament, encrustation, incrustation, inlay, decor, interior decoration, pommel, lunula, molding, moulding, nailhead, necklet, overlay, rosemaling, set decoration, sgraffito, spiral, volute, sprig, rivet, stud, fin, tail fin, tailfin, tinsel, tracery, wind bell, wind chime, garnish.