Shortest verified route
5 moves CARD CORD CORK COOK COOP POOP
Full route CARD -> CORD -> CORK -> COOK -> COOP -> POOP
Step by step
Changed letter CARD
Starting word - Step 1 CORD
Change letter 2: A to O
- Step 2 CORK
Change letter 4: D to K
- Step 3 COOK
Change letter 3: R to O
- Step 4 COOP
Change letter 4: K to P
- Step 5 POOP
Change letter 1: C to P
Target reached
Verification & puzzle details
Every adjacent pair changes exactly one letter. This is one shortest route; other routes can be equally short. The starting word is not a move: 6 words make 5 changes.
Solution summary
- Start
- CARD
- Target
- POOP
- Shortest path
- CARD -> CORD -> CORK -> COOK -> COOP -> POOP
- Puzzle date
- Wednesday, October 7, 2026