Formality rhymes with:
abnormality, abnormality, normality, abnormality, normality, abnormality, actuality, bisexuality, brutality, commonality, confidentiality, congeniality, criticality, dimensionality, duality, extraterritoriality, fatality, finality, frugality, generality, geniality, homosexuality, hospitality, impersonality, irrationality, legality, lethality, liberality, locality, mentality, modality, morality, mortality, municipality, musicality, nationality, neutrality, normality, partiality, practicality, reality, sensuality, sexuality, spirituality, theatricality, tonality, totality, triviality, universality, unreality, vitality
Formality sounds like:
fernald, formaldehyde, formulate, formulated, fornwalt, frommelt