RANKS
tsar (m), tsaritsa (f), tsary (m pl), tsaritsy (f pl): supreme ruler
velikiy knyaz (m), velikaya knyaghinya (f), velikie knyazya (m pl), velikie knyaghini (f pl): child or consort of ruler
knyaz (m), knyaghinya (f), knyazya (m pl), knyaghini (f pl) : ruler of a sector of space comprising one or more stars
graf (m), grafinya (f), grafy (pl): ruler of a solar system or an individual planet
baron (m), baronessa (f), barony (pl): ruler of a city or specific locale
dvoryanin (m), dvoryanka (f), dvoryane (pl): person of the nobility, specifically of noble birth
boyarin (m), boyarynya (f), boyare (pl) : person of non-hereditary nobility, usually a lifetime-appointment
kupets (m), kupchikha (f), kuptsy (pl) : person of high middle class
krepostnoy (m), krepostnaya (f), krepostnye (p
