Crossword clues for Drain opening 4 lettersAnswerClueHOLEDrain openingLYECaustic drain openerOUTFALLDrain openingKENNELSOpen drainsSNAKESPlumbers' drain openersLYESOAPDrain openerDEEDrain opener?LYEDrain openerLYEDrain opener chemicalLYEDrain-opener ingredientLYEDrain-opening stuffLYEDrain-opening liquidLYEIngredient in drain openersLYEStrong drain openerUNSTOPOpen, as a drainUNCLOGSOpens, as a drainUNSTOPSOpens up, as a drainSCUPPERSOpenings at the level of the deck for draining water overboard.