Crossword clues for the word: SUBSTITUTE The word SUBSTITUTE has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for SUBSTITUTE Showing 1 to 4 of 4 results Clue(s) Busiest criminal around a fair amount of them in 5 down is the one sitting on The Bench Holds the fort for relief Replacement comes from butchers but it's suet! Understudy.