Crossword clues for the word: SADKO The word SADKO has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for SADKO Showing 1 to 4 of 4 results Clue(s) Nikolai Rimsky-Korsakov opera about a Novgorod minstrel that premiered in 1898 Opera by Nikolai Rimsky-Korsakov about a Novgorod minstrel that premiered in 1898 Rimsky-Korsakov opera. Russian opera.