ornamentation

n. 装饰, 装饰品

orgy, oriel, orient, oriental, orientalist, orientate, orientation, orienteering, orifice, origin, original, original sin, originality, originally, originate, originator, oriole, ormolu, ornament, ornamental, ornate, ornately, ornateness, ornithological, ornithologist, ornithology, orotund, orphan, orphanage, orris-root, orth(o)-, orthodontic, orthodontics, orthodontist, orthodox, orthodoxy, orthographic (also orthographical), orthographically, orthography, orthopaedic (also orthopedic),