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Atbash Substitution Alphabet
The complete Atbash reversed-alphabet A–Z substitution reference for quick geocaching cipher checks.
| Plain letter | Substitute |
|---|---|
| A | Z |
| B | Y |
| C | X |
| D | W |
| E | V |
| F | U |
| G | T |
| H | S |
| I | R |
| J | Q |
| K | P |
| L | O |
| M | N |
| N | M |
| O | L |
| P | K |
| Q | J |
| R | I |
| S | H |
| T | G |
| U | F |
| V | E |
| W | D |
| X | C |
| Y | B |
| Z | A |
Atbash swaps A↔Z, B↔Y, C↔X, and so on; applying it twice gives the original.
Example: CACHE → XZXSV.
Geocaching tip: Try this common substitution first when your puzzle contains normal-looking letter groups but no obvious keyword.