Crossword clues for the word: DUELLO The word DUELLO has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for DUELLO Showing 1 to 8 of 8 results Clue(s) Art of prearranged combat Code for Burr and Hamilton Code for one-on-one combat Code of single combat. Fencers' code. Rules of combat for two. Rules of single combat. Vital rules for Burr and Hamilton