# FiveLetterWords.io

> Free daily word games and 5-letter word tools: original puzzles, a solver that
> ranks next guesses with information-theory metrics, a word
> finder with green/yellow/gray filters, searchable word lists, and an
> archive of completed Wordle answers searchable by word, date or puzzle
> number, with visible answer tables and one analysis page per puzzle. No
> account or payment required.

## Tools

- [Daily word games](https://www.fiveletterwords.io/play): choose from original daily puzzles, a shared five-letter challenge, unlimited practice and game helpers
- [Word Tactics](https://www.fiveletterwords.io/word-tactics): four daily strategy modes for best-move choices, endgame deduction, solver comparison and candidate splitting
- [Wordle Solver](https://www.fiveletterwords.io/solver): enter guesses + tile colors, then compare ranked next words
- [Word Finder](https://www.fiveletterwords.io/finder): filter the Wordle guess list by pattern, included and excluded letters
- [Anagram solver](https://www.fiveletterwords.io/anagram): unscramble five or more letters into words from the Wordle guess list; possible answers are marked
- [Quordle solver](https://www.fiveletterwords.io/quordle): enter guesses and tile colors for all four boards to see remaining candidates and a recommended next guess for each
- [Daily Five](https://www.fiveletterwords.io/daily): one free 5-letter word game per day with streaks
- [Wordle Hints](https://www.fiveletterwords.io/): spoiler-free clues and the answer for the latest recorded puzzle (today when available)
- [Starting Word Rankings](https://www.fiveletterwords.io/lab/rankings/): compare openers by six-turn results and first-guess information
- [Score percentile](https://www.fiveletterwords.io/wordle-score-percentile): turns a stats-screen guess distribution into a true average, a percentile against the Observatory's opt-in sample (sample size stated), and streak-survival odds; personal computation stays client-side
- [Printable worksheets](https://www.fiveletterwords.io/wordle-printables): free printable five-letter word worksheets (word search, unscramble, pattern, definition matching) at four frequency-band levels, reproducible from a seed
- [Word Tactics: Beat the Solver](https://www.fiveletterwords.io/solver-says): daily best-next-guess training with five real positions graded against the solver's expected-remaining measure
- [Word Tactics: Split the Pack](https://www.fiveletterwords.io/probe): daily information-gathering training with five candidate sets, one probe each, scored as a share of the best probe's expected elimination
- [Echoes](https://www.fiveletterwords.io/echoes): daily sound-ladder game; change one phoneme per move, with free homophone hops
- [How Sure?](https://www.fiveletterwords.io/how-sure): daily calibration game with eight real-world comparisons and confidence scored by a Brier-style proper scoring rule
- [Word Tactics: Missing Word](https://www.fiveletterwords.io/last-row): daily five-case endgame deduction; each board has one fitting answer and a technique badge names the deciding rule
- [Word Tactics: Best Move](https://www.fiveletterwords.io/move-of-the-day): daily strategy puzzle; choose the best of four guesses, then compare the scores
- [Seven Letters](https://www.fiveletterwords.io/spelling-bee-daily): a curated seven-letter word puzzle with fair core words, optional bonus words, daily and endless modes
- [Daily crossword](https://www.fiveletterwords.io/daily-crossword): a fresh daily crossword, free in the browser

## Word lists

- [Pattern pages](https://www.fiveletterwords.io/words/pattern/): words matching a positional pattern, e.g. https://www.fiveletterwords.io/words/pattern/S_EE_
- [Starting with](https://www.fiveletterwords.io/five-letter-words-starting-with/): by 1-3 letter prefix, e.g. https://www.fiveletterwords.io/five-letter-words-starting-with/tha
- [Ending with](https://www.fiveletterwords.io/five-letter-words-ending-with/): by 1-3 letter suffix, e.g. https://www.fiveletterwords.io/five-letter-words-ending-with/orph
- [Containing letters](https://www.fiveletterwords.io/five-letter-words-containing/): by contained letter or pair
- Letter sets: https://www.fiveletterwords.io/five-letter-words-with/a-f-i lists words containing A, F and I in any position
- Frequency bands: https://www.fiveletterwords.io/most-common-five-letter-words, https://www.fiveletterwords.io/common-five-letter-words, https://www.fiveletterwords.io/uncommon-five-letter-words and https://www.fiveletterwords.io/rare-five-letter-words; every accepted five-letter word is grouped by corpus frequency, with definitions, learner levels and recorded answer history

## Reference

- [Wordle answer archive](https://www.fiveletterwords.io/wordle-answers): search completed answers by word, date or number; year and month tables show each answer, and puzzle pages add analysis
- Word facts: https://www.fiveletterwords.io/word/crane, with past-answer history, sourced definitions where available, and opener stats
- [How the solver works](https://www.fiveletterwords.io/the-math): the information-theory scoring explained
- [Wordle statistics](https://www.fiveletterwords.io/wordle-statistics): measured difficulty, answer-pool composition, drift and crowd figures
- [Wordle Observatory](https://www.fiveletterwords.io/wordle-observatory): opt-in, privacy-minimized player aggregates by puzzle, result, Hard Mode and opening word, with a published method and sample thresholds
- [Research data](https://www.fiveletterwords.io/data): versioned dataset releases at immutable URLs, every file SHA-256 checksummed; CC BY 4.0 except the preserved answer-pool snapshot (upstream source terms)
- [What makes a Wordle hard?](https://www.fiveletterwords.io/research/what-makes-wordle-hard): an answer-word-free, versioned study of opener branches, trap families, repeated letters, letter-position rarity, familiarity and pinned solver turns
- [Echoes pronunciation graph](https://www.fiveletterwords.io/research/echoes-phoneme-graph): a versioned CMUdict-only graph summary, bounded sample, methods and reusable figures
- [Developer data reference](https://www.fiveletterwords.io/developers): immutable release files, the coherent current snapshot, rolling feeds, CORS, caching and compatibility rules
- [Press and research use](https://www.fiveletterwords.io/press): verified creator/contact details, citation and license guidance, reusable assets and corrections

## Guides (data-backed strategy articles)

- [Hardest Wordle words](https://www.fiveletterwords.io/guides/hardest-wordle-words): every past answer ranked by the solver-difficulty percentile, with the factors behind each rank
- [Wordle in the classroom](https://www.fiveletterwords.io/guides/wordle-in-the-classroom): how teachers run five-letter word games, with leveled word bands, CEFR mappings and printable worksheets
- [Starting words](https://www.fiveletterwords.io/guides/best-wordle-starting-words): compare six-turn simulations, first-turn entropy, and familiar choices
- [Win rate vs volatility](https://www.fiveletterwords.io/guides/win-rate-vs-volatility): rounded win rates barely separate strong openers; volatility, the standard deviation of simulated game length, shows how consistent each opener is
- [Obscure openers](https://www.fiveletterwords.io/guides/do-obscure-wordle-openers-help): the measured gap between unfamiliar top-ranked openers and familiar strong alternatives
- [What's a good score](https://www.fiveletterwords.io/guides/what-your-wordle-score-means): the site's solver benchmark and why it is not a player average
- [Most common letters](https://www.fiveletterwords.io/guides/which-letters-win-wordle): letter frequencies across past Wordle answers
- [Records and repeats](https://www.fiveletterwords.io/guides/wordle-records-and-extremes): repeated answers, vowel-free words, scarce-letter answers and per-year records from the dated archive
- [How many answers used](https://www.fiveletterwords.io/guides/state-of-wordle): counts published answers, repeats and possible-answer words not yet seen in the dated archive
- [Word origins](https://www.fiveletterwords.io/guides/surprising-wordle-word-origins): nine short etymologies of past answers, each with a source link
- [Common mistakes](https://www.fiveletterwords.io/guides/common-wordle-mistakes): ten habits worth reconsidering, from vowel-heavy openers to accidental reuse of gray letters
- [Anatomy of a strong solve](https://www.fiveletterwords.io/guides/anatomy-of-a-perfect-wordle-game): worked solver examples of why a second guess that separates the remaining answers can be more useful than an immediate answer attempt
- [Trap families](https://www.fiveletterwords.io/guides/wordle-trap-families): groups like -OUND and -ATCH, not obscure vocabulary
- [Second guesses](https://www.fiveletterwords.io/guides/wordle-second-guess-playbook): ranked follow-ups for common opener results
- [All guides](https://www.fiveletterwords.io/guides/)