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

FASTI

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

Meaning and pronunciation

Noun

The calendar, which gave the days for festivals, courts, etc., corresponding to a modern almanac. They were generally engraved on stone, e.g. marble

Noun

Records or registers of important events (outside the dominion of Ancient Rome)

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

Use FASTI in a puzzle

As an opener, it rules out about 92.9% 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 FASTI performs as a guess

Wordle accepts FASTI 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 82.0% of games, misses completely in 18.0%, and leaves about 169 possible answers on average.

In the previous complete opener benchmark, it ranks #5,201 of 14,855 openers, averaging 3.67 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 FASTI 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.

4.67 Entropy (bits)
169 Avg remaining
0.0% Exact match
92.9% Avg ruled out

As an opening guess: previous benchmark

How FASTI 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.

3.67 Avg guesses
99.96% Solved within six
0.69 Spread of game lengths
#5,201 Rank among openers
Opening with FASTI left 1 of the snapshot's answers unsolved after six guesses. A spread of 0.69 means those games clustered within about 0.69 of a guess of the 3.67 average. It ranks #5,201 of 14,855 openers by average guesses in games solved within six.
1 guess
0
2 guesses
64
3 guesses
865
4 guesses
1,216
5 guesses
192
6 guesses
16

Composition

5/5 unique
2 vowels
Common:
AIST

Feedback chances

Any hit (G/Y)
82%
Green tile
25%
All gray
18%

Feedback distribution

FASTI can come back 95 different ways. These are the most likely, and how many of the possible answers give each one:

430 answers
242 answers
234 answers
155 answers
144 answers
116 answers
97 answers
86 answers
72 answers
70 answers
69 answers
55 answers
48 answers
43 answers
42 answers
31 answers
25 answers
24 answers
23 answers
22 answers
20 answers
19 answers
18 answers
18 answers
17 answers
14 answers
13 answers
12 answers
12 answers
11 answers

Letter-value totals

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

Scrabble

F4A1S1T1I1
Total: 8 points

Words With Friends

Total: 8 points

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

Strategy after playing FASTI

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

Quick reference

Largest feedback groups after playing FASTI:

18% chance
Suggested:
DROLE
10% chance
Suggested:
LEARN
10% chance
Suggested:
LINER

Follow-ups for common patterns

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

18.0% →
DROLE 5.97 bits
10.2% →
LEARN 5.45 bits
9.8% →
LINER 5.20 bits
6.5% →
PROLE 5.28 bits
6.0% →
MORNE 4.73 bits
4.9% →
ROUET 5.49 bits
4.1% →
CHARE 4.77 bits
3.6% →
RIONE 4.42 bits
3.0% →
ROUET 4.51 bits
2.9% →
SPILE 4.62 bits

Research on FASTI

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

Optimal play

Opening with FASTI, a proven-optimal strategy averages 3.71 guesses and ranks #5,835 of 14,855 legal openers. The best proven opener, TARSE, averages 3.55.

No guaranteed hard-mode solve In hard mode, no strategy that opens with FASTI can guarantee a solve within six guesses.

Our six-turn simulation says 3.67, at or below the proven-optimal 3.71, because the two figures score different answer lists.

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
FASTI sits in the advanced band of the wordfreq scale, appearing less than once per million words of written English; the band marks it as an uncommon word many players still recognize.

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