Accepted guess Not a possible answer F tier for first-turn info

HAPAX

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

Meaning and pronunciation

Noun

Ellipsis of hapax legomenon.

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

In a sentence

It's difficult to ascertain the meaning of a hapax legomenon.
© tatoeba.org contributor Scott (CC BY 2.0 FR)

Use HAPAX in a puzzle

As an opener, it rules out about 79.6% of possible answers.

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

No completed appearance

No appearance in our globally completed history. A recent puzzle may still be live elsewhere.

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

How HAPAX performs as a guess

Wordle accepts HAPAX 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 59.5% of games, misses completely in 40.5%, and leaves about 487 possible answers on average.

In the previous complete opener benchmark, it ranks #14,337 of 14,855 openers, averaging 3.93 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.

First-turn measures

All four describe HAPAX used as an opening guess. Entropy is the same idea as “avg ruled out” on a log scale: a higher number means the guess splits the possible answers into more, smaller groups.

3.25 Entropy (bits)
487 Avg remaining
0.0% Exact match
79.6% Avg ruled out

As an opening guess: previous benchmark

How HAPAX 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.

3.93 Avg guesses
99.96% Solved within six
0.73 Spread of game lengths
#14,337 Rank among openers
Opening with HAPAX left 1 of the snapshot's answers unsolved after six guesses. A spread of 0.73 means those games clustered within about 0.73 of a guess of the 3.93 average. It ranks #14,337 of 14,855 openers by average guesses in games solved within six.
1 guess
0
2 guesses
34
3 guesses
580
4 guesses
1,282
5 guesses
421
6 guesses
36

Composition

4/5 unique
2 vowels
Common:
A

Feedback chances

Any hit (G/Y)
60%
Green tile
23%
All gray
40%

Feedback distribution

HAPAX can come back 53 different ways. These are the most likely, and how many of the possible answers give each one:

966 answers
307 answers
208 answers
192 answers
169 answers
112 answers
60 answers
43 answers
36 answers
29 answers
26 answers
24 answers
22 answers
17 answers
16 answers
15 answers
15 answers
15 answers
13 answers
12 answers
9 answers
7 answers
7 answers
6 answers
5 answers
5 answers
5 answers
4 answers
4 answers
3 answers

Letter-value totals

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

Scrabble

H4A1P3A1X8
Total: 17 points

Words With Friends

Total: 17 points

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

Strategy after playing HAPAX

What the solver recommends next for each way the board can respond to HAPAX.

Quick reference

Largest feedback groups after playing HAPAX:

41% chance
Suggested:
RIONE
13% chance
Suggested:
ALERT
9% chance
Suggested:
TRINE

Follow-ups for common patterns

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

40.5% →
RIONE 5.97 bits
12.9% →
ALERT 5.37 bits
8.7% →
TRINE 4.81 bits
8.1% →
SUITE 5.37 bits
7.1% →
SUITE 5.45 bits
4.7% →
SOREL 4.63 bits
2.5% →
CRISE 4.46 bits
1.8% →
SLANE 4.29 bits
1.5% →
TONEY 4.38 bits
1.2% →
SILER 4.19 bits

Research on HAPAX

Game-tree analysis and word research for HAPAX, with an explanation for each figure.

Optimal play

Opening with HAPAX, a proven-optimal strategy averages 3.92 guesses and ranks #14,177 of 14,855 legal openers. The best proven opener, TARSE, averages 3.55.

In hard mode it averages 4.06 guesses at best and is rank #6,880 of the 7,453 openers that can still guarantee a solve within six guesses.

Our six-turn simulation says 3.93; proven optimal play reaches 3.92. The fixed strategy accounts for the difference.

These figures come from exhaustive game-tree search and are exact for the NYT lists of July 2023 (3,158 answers). They do not use the site's working answer pool.

Familiarity and learning

Frequency
HAPAX sits in the rare band of the wordfreq scale, appearing less than once per million words of written English; the band marks it as a word few players will have met in print.

Sources: Optimal-play values: Alex Selby's exhaustive Wordle analysis (MIT); Word frequency: wordfreq (data CC BY-SA 4.0).