Crossword clues for the word: LITTERMATE The word LITTERMATE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for LITTERMATE Showing 1 to 9 of 9 results Clue(s) "Pup, to a sibling, e.g." Almost every puppy has one Any in a group of puppies One of several coming out together One puppy to another One sharing a pedigree Puppy's brother Sanitation worker's chess maneuver? The one puppy that can read?