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

TREATISE

/ˈtɹiːtɪs/8 letters

Definition of TREATISE

noun

A formal, usually lengthy, systematic discourse on some subject.

Wiktionary · CC BY-SA

Where it comes from

From Middle English tretys, from Anglo-Norman tretiz and Old French traitis (“treatise, account”), from traitier (“to deal with, treat”).

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Old French
  2. Anglo-Norman
  3. Middle English
  4. English

3 recorded generations before English.

Old French

Deepest traced root

9th

of 58 source languages in OUTLIER

2.9%

of traced words share this origin (834)

Romance

branch · 15.4% of traced words

How it is built

noun2 syllables

Same root, TREATISE · 1 relative in the game

Every Old French word → · The Word DNA of OUTLIER →

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.

TREATISE in OUTLIER

Players have found it on 4 boards so far. 21 players have found it across Outlier's history.

Day 1Day 145
Its 4 boards, across 145 finished boards · taller bars are busier boards
4
Boards found on
90
First board
138
Latest board
18
Longest gap, days

It first turned up on Day 90, 18 August 2026. The most recent board was Day 138, 5 October 2026. Nobody has seen it on a board for 7 days.

First found by a player on Day 90, 18 August 2026.

Built from these letters

TREATISE
8
Letters
4
Vowels
4
Consonants
6
Different letters
2
Longest consonant run
2
Longest vowel run

TREATISE starts with T and ends with E. Sorted, its letters read AEEIRSTT - the shape to hunt for when the grid is scrambled. T and E appear more than once.

Same letters, different word

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

Words that start TREATI

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found TREATISE?

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 90 - and most players walked straight past it.

Play today's OUTLIER