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10-Letter Words Starting With O

There are 883 ten-letter words that start with O. The list below ranks them by real-world frequency, so everyday words like OPERATIONS, ORIGINALLY, OBJECTIVES appear before the obscurities.

Every entry comes from the tournament word lists, the kind of list used in Scrabble, crosswords, and other word puzzles, so each one is a genuine dictionary word.

Most common

All 883 words (the small number on each word is its Scrabble point value)

Points use Scrabble US letter values

Frequently asked questions

How many ten-letter words are there that start with O?

There are 883 ten-letter words that start with O in the tournament word lists. The most common are OPERATIONS, ORIGINALLY, OBJECTIVES.

What are common ten-letter words that start with O?

OPERATIONS, ORIGINALLY, OBJECTIVES, OCCUPATION, OBLIGATION are the most frequently used. The full list of 883 words on this page is sorted by everyday frequency, so the common ones come first.

Why are the words in this order?

Words are ranked by how often they appear in a trillion-word corpus of written English, most common first. That surfaces likely puzzle answers instead of hiding them mid-alphabet. Use the sort control to switch to alphabetical or points order.

Starting with O in other lengths

Related word lists

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