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

RHEOLOGIES

10 letters

Definition of RHEOLOGIES

noun

plural of rheology

RHEOLOGY

noun

The branch of physics that studies the deformation and flow of matter.

Wiktionary · CC BY-SA

Word DNA

RHEOLOGIES inherits its ancestry from its root, RHEOLOGY.

Line of descent

  1. Ancient Greek
  2. English

One recorded step before English.

Ancient Greek

Deepest traced root

3rd

of 59 source languages in OUTLIER

12.2%

of traced words share this origin (9,517)

Hellenic

branch · 12.2% of traced words

How it is built

nouncompound-logyrheo-

Same root, RHEOLOGY · 4 relatives in the game

Every Ancient Greek 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.

RHEOLOGIES in OUTLIER

Players have found it on 13 boards so far. 22 players have found it across Outlier's history.

Day 1Day 158
Its 13 boards, across 158 finished boards · taller bars are busier boards
13
Boards found on
86
First board
157
Latest board
24
Longest gap, days

It first turned up on Day 86, 14 August 2026. The most recent board was Day 157, 24 October 2026. Nobody has seen it on a board for 1 day.

First ever to find it

yhpezPATRON

on Day 86, 14 August 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

RHEOLOGIES
10
Letters
5
Vowels
5
Consonants
8
Different letters
2
Longest consonant run
2
Longest vowel run

RHEOLOGIES starts with R and ends with S. Sorted, its letters read EEGHILOORS - the shape to hunt for when the grid is scrambled. E and O appear more than once.

Words that start RHEOLO

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found RHEOLOGIES?

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 86 - and most players walked straight past it.

Play today's OUTLIER