Crossword clues for the word: NERVA The word NERVA has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for NERVA Showing 1 to 5 of 5 results Clue(s) Emperor before Trajan He named Trajan to be his successor Roman emperor after Domitian Roman emperor before Trajan Roman emperor for 15 months