Fealty

Fealty (fē′əl·tē) n. pl. ·ties 1. The obligation of fidelity owed to a feudal lord by his vassal or tenant. 2. Faithfulness; loyalty.

Fidelity (fī·del′ə·tē, fə-) n. pl. ·ties 1. Faithfulness to duties, obligations, vows, truth, etc.