5 FiveLetterWords
Accepted guess Not a possible answer C tier opener

CODEX

CODEX is accepted as a guess but is not on the solver's possible-answer list.

As an opener, it rules out about 90.2% of possible answers.

Open Solver with CODEX Open Word Finder

Meaning and pronunciation

Pronunciation: /ˈkəʊdɛks//ˈkoʊdɛks/

Noun

An early manuscript book.

Noun

A book bound in the modern manner, by joining pages, as opposed to a rolled scroll.

Source: Wiktionary contributors · CC BY-SA 4.0. Corrections.

Wordle status

A word can be a playable guess without being a possible answer.

Playable guess

Yes

Included in the Wordle guess list used by our tools.

Possible answer

No

The solver does not currently treat this as a possible answer.

Past Wordle answer

Not used yet

No past answer date found.

The possible-answer list is the solver's current list and may change when Wordle adds new answers.

How CODEX performs as a guess

Wordle accepts CODEX as a guess, but the solver does not list it as a possible answer.

Played as an opener, it lands at least one colored tile in 78.2% of games, misses completely in 21.8%, and leaves about 232 possible answers on average.

In the previous complete v5 benchmark, it ranks #9,463 of 14,855 openers, averaging 3.75 guesses in games solved within six turns.

Try your feedback pattern

Tap the tiles to match your feedback, then see the ranked follow-up guesses.

All gray? Tap a tile to cycle gray → yellow → green.

Useful pattern pages

If you only know part of the word, start with one of these matching patterns.

C___X C in the 1st position and X in the 5th position C__E_ C in the 1st position and E in the 4th position _O__X O in the 2nd position and X in the 5th position

Try next

SAINT SLART ARSON STAIR SALTY SHALT
Words starting with C Words ending with X

First-turn measures

4.22 Entropy (bits)
232 Avg remaining
0.0% Exact match
90.2% Avg ruled out
Higher first-turn entropy than about 34% of evaluated openers
1.73 bits below the highest measured first-turn entropy (~5.95 bits)

As an opener: v5 benchmark

How CODEX performed in the previous complete opener benchmark, against its captured answer snapshot. These research figures are separate from today's solver recommendations. See the data page for the method.

3.75 Avg guesses
100.0% Win rate
0.69 Volatility
#9,463 v5 opener rank
In the complete v5 snapshot, CODEX ranks #9,463 of 14,855 openers by average guesses in games solved within six.
1 guess
0
2 guesses
50
3 guesses
764
4 guesses
1,278
5 guesses
248
6 guesses
14
Top-ranked in the current bounded policy screen: SLANT. The policy minimizes misses within six first, then average guesses among wins (3.45 for the leader). Compare the ranking measures

Composition

5/5 unique
2 vowels
Common:
EO

Feedback chances

Any hit (G/Y)
78%
Green tile
32%
All gray
22%

Feedback distribution

76 possible patterns. Top outcomes:

515
390
189
181
111
99
83
78
76
73
64
40
36
34
29
28
28
26
22
21
21
19
18
12
10
9
9
8
8
7

Quick reference

Largest feedback groups after playing CODEX:

22% chance
Suggested:
SAINT
17% chance
Suggested:
SLART
8% chance
Suggested:
ARSON

Follow-ups for common patterns

Ranked follow-up guesses for the 10 most common feedback patterns.

21.8% →
SAINT 6.18 bits
16.5% →
SLART 5.86 bits
8.0% →
ARSON 5.24 bits
7.7% →
STAIR 4.68 bits
4.7% →
SALTY 4.60 bits
4.2% →
SHALT 4.74 bits
3.5% →
DRAIN 5.13 bits
3.3% →
REATE 4.72 bits
3.2% →
LAIRY 4.65 bits
3.1% →
SNARE 4.25 bits

Letter-value totals

Base letter-value totals for CODEX; these do not show whether either game accepts the word.

Scrabble

C3O1D2E1X8
Total: 15 points

Words With Friends

Total: 16 points

Scores shown are base values without double/triple letter or word bonuses.