We don't have synonyms for inessive case yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are abessive case and essive case.
(n) :
(grammar) A noun case used to indicate location inside something. In English, this is usually expressed by the prepositions "in" or "inside". Languages that use the inessive case include Finnish, Hungarian, Estonian, Ossetian, and Erzya.
(n) :
(grammar) A noun case used to indicate location inside something. In English, this is usually expressed by the prepositions "in" or "inside". Languages that use the inessive case include Finnish, Hungarian, Estonian, Ossetian, and Erzya.