13-letter words that contain "O"

We found 13-letter words that meet that contain "O". The list tilts toward -ES, -NS, -ON, and -NG. Consider that when testing guesses. A few to start with: ABBREVIATIONS, ABIOGENICALLY, ABNORMALITIES, and ABOLITIONISMS.

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13-letter words appear mostly in crosswords and word wheel puzzles; filter by the letters you already have to narrow this list to your answer.

📝Results (5193 words)

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Pattern Insights

Common pairs
ON, TI, ES
Top endings
-ES, -NS, -ON
Middle letters
O, I, R
Double letters
25% of results
Position 1
C, P, S
Total matches
5193 words