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

PENTOSE

7 letters

Definition of PENTOSE

noun

A sugar or saccharide containing five carbon atoms.

Wiktionary · CC BY-SA

Where it comes from

Internationalism, from penta- (“five”) + -ose.

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.

PENTOSE in OUTLIER

Players have found it on 7 boards so far.

Day 1Day 118
Its 7 boards, across 118 finished boards · taller bars are busier boards
7
Boards found on
67
First board
118
Latest board
21
Longest gap, days

It first turned up on Day 67, 26 July 2026. The most recent board was Day 118, 15 September 2026. It was on the latest finished board.

First ever to find it

dev

on Day 67, 26 July 2026 - before anyone else in Outlier's history. See the Pioneers

Also on

Built from these letters

PENTOSE
7
Letters
3
Vowels
4
Consonants
6
Different letters
2
Longest consonant run
1
Longest vowel run

PENTOSE starts with P and ends with E. Sorted, its letters read EENOPST - the shape to hunt for when the grid is scrambled. E appears more than once.

Same letters, different word

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

Words that start PENTOS

Its neighbours in the OUTLIER dictionary - shortest first.

PENTOSANPENTOSESPENTOSANEPENTOSANSPENTOSIDEPENTOSANESPENTOSIDES

Could you have found PENTOSE?

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 67 - and most players walked straight past it.

Play today's OUTLIER

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The OUTLIER card for PENTOSEDownload image