rontgen

= roentgen.

Roman candle, Roman Catholic (also Catholic), Roman nose, Roman numerals, Romance, Romanesque, Romania, Romano-, romantic, romantically, romanticism, romanticist, romanticize, romanticize, romanticise, Romany, Rome, romp, rompers, Ronald Reagan, rondo, rood, rood-screen, roof, roof-garden, roof-rack (also `luggage-rack), roof-top, roof-tree, roofing, rook, rookery, rookie, room, room service, room-mate, roomer, roomful, roominess, rooming-house, roomy, roost,