Letter Frequency in 5-Letter Words
Knowing which letters appear most frequently in 5-letter words is the foundation of all word game strategy. This analysis is based on all 11,963 valid 5-letter words in the English dictionary.
Letter Frequency Table
| Rank | Letter | Frequency | What It Means for Strategy |
|---|---|---|---|
| 1 | E | Very high | Must test E in guess 1 or 2 — appears in over 40% of 5-letter words |
| 2 | A | Very high | Second most common letter — test early |
| 3 | R | High | Common in both start and end positions |
| 4 | O | High | Frequent in middle positions |
| 5 | T | High | Common word starter and ender (-ST, -NT, -AT) |
| 6 | L | High | Strong in clusters (BL-, CL-, FL-, PL-, SL-) |
| 7 | I | High | Core vowel — essential to test early |
| 8 | S | High | Most common starting and ending letter |
| 9 | N | Medium-high | Common in -ING, -ANT, -ENT endings |
| 10 | C | Medium-high | Frequent starter — CR-, CL-, CH- |
Least Frequent Letters
Q, X, J, and Z are the least common letters in 5-letter words. Q appears in only 57 five-letter words, X in only 29. Avoid testing these letters until you have run out of common letters to test.
Using Frequency Data in Wordle
The perfect Wordle opener covers the top 5 most frequent letters. STARE (S,T,A,R,E) hits letters ranked 8, 5, 2, 3, 1 respectively — testing 5 of the 6 highest-frequency letters in a single guess. This is why STARE outperforms JAZZY or VIVID as an opener by a statistically significant margin.