The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERIODONTIA
About PERIODONTIA
PERIODONTIA is a valid 11-letter word in OUTLIER, and one of the few with no English entry in Wiktionary - the dictionary a word game accepts is wider than the one an encyclopaedia keeps.
No definition is on file, so none is guessed at here.
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
PERIODONTIA in OUTLIER
Players have found it on 4 boards so far.
It first turned up on Day 45, 4 July 2026. The most recent board was Day 86, 14 August 2026. Nobody has seen it on a board for 16 days.
First ever to find it
on Day 45, 4 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PERIODONTIA starts with P and ends with A. Sorted, its letters read ADEIINOOPRT - the shape to hunt for when the grid is scrambled. I and O appear more than once.
Words that start PERIODO
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 45
Could you have found PERIODONTIA?
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 45 - and most players walked straight past it.
Play today's OUTLIER