This puzzle asks you to find the single category linking five clues: Phone, Car, House, Room, and Roommate. The answer is Words that come before "key". Each clue completes a well-known phrase when followed by the anchor word in the category. Spotting one pair is luck — spotting the same anchor across all five clues is the answer. With only "Phone", several phrase patterns could apply. Wait for a second clue before committing to a category. "Phone" and "Car" must share one repeatable link — not a coincidence between two words. By clue 3 ("House"), "Words that come before "key"" should explain all three without bending meanings. "Room" strengthens "Words that come before "key"" rather than opening a new theory. The final clue ("Roommate") confirms "Words that come before "key"" — if it still fits naturally, the category is locked. Use the Solution tab above for an interactive clue-by-clue walkthrough, or the Solved board tab for the complete answer at a glance.