From Longman Dictionary of Contemporary Englishfealtyfe‧al‧ty /ˈfiːəlti/ noun [uncountable] old-fashioned loyalty to a king, queen etc
Examples from the Corpus
fealty• The 1790s and 1890s both began as conservative periods of government fealty to business and finance.• If he's trusted me I've never asked him to, and I've never promised him fealty.• By this act he performed fealty.• They were subject to the warden's authority, and in some forests swore fealty to him.• Saving only the fealty which he owed to his father he swore allegiance to Philip against all men.Origin fealty (1200-1300) Old French fealté, from Latin fidelitas; → FIDELITY