Nobility rhymes with:
mobility, ability, acceptability, adaptability, admissibility, affordability, amiability, applicability, availability, capability, combinability, compatibility, comprehensibility, debility, deductibility, electability, feasibility, flexibility, inaccessibility, invisibility, irresponsibility, irritability, legibility, malleability, mobility, overwhelmability, palatability, possibility, probability, rehability, reliability, responsibility, susceptibility, viability
Nobility sounds like:
nameplate, neblett, neuenfeldt, neufeld, newbold, newfield, nibbled, niblett, ninefold, noblet, noblett, noblitt, novelty