Principality rhymes with:
banality, bestiality, centrality, collegiality, conditionality, constitutionality, criminality, cyclicality, eventuality, functionality, heterosexuality, illegality, immorality, immortality, impartiality, individuality, informality, instrumentality, materiality, mutuality, originality, personality, plurality, proportionality, punctuality, rationality, sentimentality, speciality, technicality, venality