Crossword clues for the word: NITR The word NITR has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for NITR Showing 1 to 5 of 5 results Clue(s) Certain compounds of N: prefix Combining form for saltpeter. Containing a gaseous element: Comb. form Prefix for compounds of element 7 Prefix with amine