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

CARDIOLOGY

/ˌkɑː(ɹ)diˈɒlədʒi/10 letters

Definition of CARDIOLOGY

noun

The study of the structure, function, and disorders of the heart.

Wiktionary · CC BY-SA

Where it comes from

From cardio- + -logy.

Etymology via Wiktionary (CC BY-SA).

Word DNA

How it is built

noun5 syllablescompound-logycardio-

Same root, CARDIOLOGY · 1 relative in the game

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.

CARDIOLOGY in OUTLIER

Players have found it on 33 boards so far. 58 players have found it across Outlier's history.

Day 1Day 148
Its 33 boards, across 148 finished boards · taller bars are busier boards
33
Boards found on
7
First board
144
Latest board
17
Longest gap, days

It first turned up on Day 7, 28 May 2026. The most recent board was Day 144, 11 October 2026. Nobody has seen it on a board for 4 days.

First found by a player on Day 7, 28 May 2026.

Built from these letters

CARDIOLOGY
10
Letters
4
Vowels
6
Consonants
9
Different letters
2
Longest consonant run
2
Longest vowel run

CARDIOLOGY starts with C and ends with Y. Sorted, its letters read ACDGILOORY - the shape to hunt for when the grid is scrambled. O appears more than once.

Words that start CARDIO

Its neighbours in the OUTLIER dictionary - shortest first.

CARDIOCARDIOSCARDIOIDCARDIOIDSCARDIOGRAMCARDIOVERTCARDIOGENICCARDIOGRAMSCARDIOGRAPHCARDIOMOTORCARDIOPATHYCARDIOTONIC

Could you have found CARDIOLOGY?

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 7 - and most players walked straight past it.

Play today's OUTLIER