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

RUTHENIUM

/ɹuːˈθiːniəm/9 letters

Definition of RUTHENIUM

noun

A metallic chemical element (symbol Ru) with an atomic number of 44.

Wiktionary · CC BY-SA

Where it comes from

Ruthenia + -ium. Named by Baltic German scientist Karl Ernst Claus in 1844 in honour of Russia (using the Latin name Ruthenia).

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.

RUTHENIUM in OUTLIER

Players have found it on 15 boards so far. 26 players have found it across Outlier's history.

Day 1Day 111
Its 15 boards, across 111 finished boards · taller bars are busier boards
15
Boards found on
16
First board
108
Latest board
26
Longest gap, days

It first turned up on Day 16, 5 June 2026. The most recent board was Day 108, 5 September 2026. Nobody has seen it on a board for 3 days.

First found by a player on Day 16, 5 June 2026.

Built from these letters

RUTHENIUM
9
Letters
4
Vowels
5
Consonants
8
Different letters
2
Longest consonant run
2
Longest vowel run

RUTHENIUM starts with R and ends with M. Sorted, its letters read EHIMNRTUU - the shape to hunt for when the grid is scrambled. U appears more than once.

Words that start RUTHEN

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found RUTHENIUM?

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 16 - and most players walked straight past it.

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