The rare daily word game sweeping the globe. Find what's hidden in plain sight.

RAIL

/ɹeɪ(ə)l/4 letters

Definition of RAIL

noun

A horizontal bar extending between supports and used for support or as a barrier; a railing.

Wiktionary · CC BY-SA

Where it comes from

From Middle English rail, rayl, *reȝel, *reȝol (found in reȝolsticke (“a ruler”)), partly from Old English regol (“a ruler, straight bar”) and partly from Old French reille; both from Latin regula (“rule, bar”), from regō (“to rule, to guide, to govern”); see regular. Doublet of regal, regula, rigol, and rule.

Etymology via Wiktionary (CC BY-SA).

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

RAIL in OUTLIER

Players have found it on 11 boards so far. 19 players have found it across Outlier's history.

Day 1Day 102
Its 11 boards, across 102 finished boards · taller bars are busier boards
11
Boards found on
1
First board
101
Latest board
26
Longest gap, days

It first turned up on Day 1, 22 May 2026. The most recent board was Day 101, 29 August 2026. Nobody has seen it on a board for 1 day.

First found by a player on Day 1, 22 May 2026.

Built from these letters

RAIL
4
Letters
2
Vowels
2
Consonants
4
Different letters
1
Longest consonant run
2
Longest vowel run

RAIL starts with R and ends with L. Sorted, its letters read AILR - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

Same letters, different word

6 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.

Words that start RAIL

Its neighbours in the OUTLIER dictionary - shortest first.

RAILERAILSRAILEDRAILERRAILESRAILLYRAILAGERAILBEDRAILBUSRAILCARRAILERSRAILING

Could you have found RAIL?

OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 1 - and most players walked straight past it.

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