Crossword clues for the word: FISSURE The word FISSURE has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for FISSURE Showing 1 to 11 of 11 results Clue(s) Cerebral groove Crack Is inevitable after fellow discovers crack Lava comes out of it Long narrow cleft or crack Long narrow crack Narrow crack Narrow crevice Opening, as after an earthquake Organ groove The fathead is convinced there’s a crack