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-ity suffix

  /əti/ , [əɾi] , [ɪti] , [ɾi]
  • Used to form an uncountable noun from an adjective; especially, to form the noun referring to the state, property, or quality of conforming to the adjective's description.
-ität

-itis suffix

  /-ˈaɪtɪs/
  • (pathology) Suffix denoting diseases characterized by inflammation, itself often caused by an infection.
-itis
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