9-letter words with O in the middle
3,235 words are exactly 9 letters long with O in the 5th slot. That is 7.8% of every nine-letter word.
The pattern
Every word below matches this shape, with the 5th tile fixed.
For example: aasvogels, concocter, forhowing, massoolas, phototube, slalomist.
All 9-letter words with O in the middle
600 of 3,235 shownShowing the first 600 alphabetically. For the complete set, open all 9-letter words or narrow further with 9-letter words containing O.
Why the middle slot is worth its own list
In a 9-letter word the 5th slot usually lands inside the stem rather than in a prefix or a suffix, so it tells you about the root of the word. Nine-letter entries are typically the themed answers in a crossword, which means cracking one often unlocks the rest.
O is a vowel, and English builds most syllables around one, so a vowel sitting dead centre is the ordinary shape of a word rather than an oddity. That makes it the 4th most common middle letter at this length, so this list is long and you will need a second clue to cut it down.
Within this set, the most common first letters are P (389), C (338), S (298) and the most common last letters are S (886), E (492), D (335). If you already know one of those, jump straight to 9-letter words starting with O or 9-letter words ending in O to combine two fixed positions.
Quick answers
How many 9-letter words have O in the middle?
There are 3,235 of them, out of 41,231 9-letter words in total, so roughly 7.8% of all nine-letter words carry O in their centre slot. That makes it the 4th most common middle letter at this length, so this list is long and you will need a second clue to cut it down.
Which letter counts as "the middle" in a nine-letter word?
The 5th one. A nine-letter word has 4 letters before the centre and 4 after it, so there is exactly one middle slot with no ambiguity. Even-length words have two centre letters and no single middle, which is why this page only covers 3, 5, 7, 9 letters.
Where does a middle-letter clue actually come from?
Crossings. In a crossword, an intersecting entry hands you one letter in the middle of a 9-letter slot far more often than it hands you the first or the last. Scrabble does the same when you build through a tile already on the board.
What do these words tend to start and end with?
Among 9-letter words with O in the centre, the most common opening letters are P (389), C (338), S (298), and the most common final letters are S (886), E (492), D (335). Scanning by first letter is usually the quickest way through a list this size.
Are proper nouns included?
No. Only standard dictionary words appear, which is the same standard Wordle, Scrabble, and crossword grids apply. Missing words are almost always names, hyphenations, or abbreviations.
Same letter, other lengths
Same length, every letter
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