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

OOCYST

/ˈəʊəsɪst/6 letters

Definition of OOCYST

noun

A reproductive cell in certain fungi.

Wiktionary · CC BY-SA

Where it comes from

From oo- + cyst.

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.

OOCYST in OUTLIER

Players have found it on 11 boards so far. 15 players have found it across Outlier's history.

Day 1Day 106
Its 11 boards, across 106 finished boards · taller bars are busier boards
11
Boards found on
36
First board
106
Latest board
18
Longest gap, days

It first turned up on Day 36, 25 June 2026. The most recent board was Day 106, 3 September 2026. It was on the latest finished board.

First ever to find it

gideascheeberg

on Day 36, 25 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

OOCYST
6
Letters
2
Vowels
4
Consonants
5
Different letters
4
Longest consonant run
2
Longest vowel run

OOCYST starts with O and ends with T. Sorted, its letters read COOSTY - the shape to hunt for when the grid is scrambled. O appears more than once, including a double letter.

Words that start OOCYST

Its neighbours in the OUTLIER dictionary - shortest first.

OOCYSTS

Could you have found OOCYST?

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 36 - and most players walked straight past it.

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