What is referred to by 'a grammatical case nom'?

What is associated with: a graduate of howard university she won the nobel prize for literature in 1993? Based on the clue 'a gragger is supposed to be used to make noise whe...', what is the answer? Based on the clue 'a grain of corn or an officer in the army or air f...', what is the answer? Based on the clue 'a grain or seed of an ear of corn', what is the answer? What is associated with: a grand alliance was formed in 1689 against this sun king to enforce the treatys provisions? Based on the clue 'a grand champion of a tournament in this sport is ...', what is the answer? What is associated with: a grand duchy with the name of this city was created by napoleon in 1807 to help restore the p… Based on the clue 'a grand hotel on whats now this citys pioneer cour...', what is the answer?