Decemvir :: Decemvir (n.) One of a body of ten magistrates in ancient Rome.
Decemvir :: Decemvir (n.) A member of any body of ten men in authority.
Decemviral :: Decemviral (a.) Pertaining to the decemvirs in Rome.
Decemvirate :: Decemvirate (n.) The office or term of office of the decemvirs in Rome.
Quindecemvir :: Quindecemvir (n.) One of a sacerdotal college of fifteen men whose chief duty was to take care of the Sibylline books.