A challenging compass-point example
EAST to WEST word ladder: hints and solution
EAST to WEST is a useful advanced example because only two endpoint letters differ, yet the available legal route is much longer than that count suggests.
- 10 legal moves
- 11 total rungs
- Verified 4-letter words
Hint before the answer
Plan the shape of the route.
Treat the ladder as several local bridges: -ast to -ase, then a B-led chain, and finally the -est family.
Complete static solution
The verified EAST → WEST path
This path is visible in the page HTML so people and search engines can inspect the same evidence.
- 01EASTStarting word
- 02CASTLetter 1 changes from E to C
- 03CASELetter 4 changes from T to E
- 04BASELetter 1 changes from C to B
- 05BALELetter 3 changes from S to L
- 06BALDLetter 4 changes from E to D
- 07BOLDLetter 2 changes from A to O
- 08BOLTLetter 4 changes from D to T
- 09BELTLetter 2 changes from O to E
- 10BESTLetter 3 changes from L to S
- 11WESTLetter 1 changes from B to W
Why this route works
Each edge passes the one-letter test.
The route contains 11 words and 10 moves. No row is a placeholder: every rung is present in the pinned dictionary, and every adjacent pair differs in one position. The solver uses breadth-first search, so this is a shortest route available in that reviewed word set.
Difficulty depends on the density of legal neighboring words, not simply on how many endpoint positions differ.
A different dictionary may produce another valid shortest path. That does not make either route wrong; it means the two word graphs contain different allowed nodes. Proper nouns and unsupported forms are intentionally excluded here.
Route FAQ
Questions about this example
Is this EAST to WEST route a shortest word ladder?
Yes. Breadth-first search found this 10-move route as a shortest path in the site’s pinned reviewed dictionary. The claim is limited to that word set rather than every word list in English.
Why can’t EAST change directly to WEST?
The endpoints differ in 2 letter positions. A legal word ladder move changes exactly one position, and every intermediate spelling must also be an allowed word.
Can this pair have another valid solution?
Yes. Another branch can be equally short, especially in a larger dictionary. Use the solver to compare routes, but validate every adjacent pair with the same one-letter rule.
Continue practicing
Compare another word ladder.
This is an independent teaching example generated from our licensed dictionary. It is not a current daily puzzle answer and is not affiliated with any named game.