registered 1908 as trademark, named for designers C.S. Rolls (1877-1910) and Sir Henry Royce (1863-1933). Figurative use from 1916 for any product deemed to be of high quality. Shortened form Rolls first attested 1928.
rollerskate
rollicking
rolling
rollout
rollover
Rolls-Royce
Rolodex
roly-poly
Rom
romaine
roman