Morpheme
-ty
Type
suffix
Denotation
abstract noun suffix denoting a quality or condition
Etymology
Middle English -tie, -te; Old French -te; Latin -tās, -tātis, tātem; cognate with Ancient Greek -tes and Sanskrit -tati-
Evidence
absurdity, acidity, aeviternity, amity, beauty, bounty, cavity, certainty, cruelty, dignity, duty, elasticity, enmity, equality, equity, fealty, felicity, frailty, -icity, infinity, lability, loyalty, modernity, moiety, nicety, normality, oddity, orbity, plenty, procerity, property, propriety, royalty, safety, sincerity, society, subtlety, surety, unity
Notes
-ity is always -i- + -ty except for -ity, variation of -ety, from -ed + -y
