I. -ity /əti, ɪti/ BrE AmE ( also -ty ) suffix [in nouns]
[ Language: Old French ; Origin: -ité , from Latin -itas ]
the state of having a particular quality, or something that has that quality:
with great regularity (=regularly)
such stupidities (=stupid actions or remarks)
II. -ty /ti/ BrE AmE suffix [in nouns]
[ Language: Old French ; Origin: -té , from Latin -tas ]
another form of ↑ -ity :
certainty (=being certain)