Crossword clues for the word: RENIN The word RENIN has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for RENIN Showing 1 to 9 of 9 results Clue(s) Circulating enzyme Digestive enzyme Enzyme formed in kidneys Enzyme regulating blood fluid and pressure Enzyme that regulates blood pressure Kidney enzyme Kidney enzyme that regulates blood pressure Kidney secretion Proteolytic enzyme