Nouns

(n)Romana resident of modern Rome
(n)Romanan inhabitant of the ancient Roman Empire

Adjectives

(a)Roman, Romanicof or relating to or derived from Rome (especially ancient Rome)“Roman architecture”, “the old Roman wall”
(a)Romancharacteristic of the modern type that most directly represents the type used in ancient Roman inscriptions
(a)Roman, R.C., Romanist, romish, Roman Catholic, popish, papist, papistic, papisticalof or relating to or supporting Romanism“the Roman Catholic Church”