Grammatical case is a concept used in linguistics to describe the relationship between nouns, pronouns, and other words in a sentence. The four crossword solutions for the term grammatical case are ABLATIVE (8 letters), DATIVE (6 letters), GENITIVE (8 letters), and ACCUSATIVE (10 letters). ABLATIVE case is used to indicate motion away from something, DATIVE case is used to indicate the indirect object of a verb, genitive case is used to indicate possession, and accusative case is used to indicate the direct object of a verb.