Crossword clues for the word: YSSEL The word YSSEL has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for YSSEL Showing 1 to 6 of 6 results Clue(s) Branch of the Rhine Dutch river boys seldom have gone across Dutch river. Netherlands river Netherlands river: Var. River into the Zuider Zee.