Starting With O
11 words · highest scoring is optimization at 25 points
11Words
About 12 Letter Words Starting With O
There are 11 twelve letter words starting with O in our dictionary. The highest scoring is optimization at 25 points, counting tile values before any double or triple squares. 11 of them are common words rather than tournament-only fill — OBSERVATIONS, OPTIMIZATION, OVERCROWDING among them.
The list leads with everyday words so the ones you recognise come first; sort by Scrabble points to put the best play on top, or switch to A-Z to scan alphabetically. Select any word to read its definition and see which dictionaries accept it.
12 Letter Words Starting With O at a Glance
Highest Scoring 12 Letter Words Starting With O
- optimization25
- overwhelming24
- overshadowed23
- organization22
- overcrowding22
- occasionally19
- occupational18
- orchestrated18
Common 12 Letter Words Starting With O
- observations17
- occasionally19
- occupational18
- orchestrated18
- organisation13
- organization22
- overreacting18
- overshadowed23
12 Letter Words Starting With O Defined
- observationsNoun · 17 points
- the action or process of closely observing or monitoring something or someone
- occasionallyAdverb · 19 points
- at infrequent or irregular intervals; now and then
- optimizationNoun · 25 points
- the action of making the best or most effective use of a situation or resource
- organisationNoun · 13 points
- an organized group of people with a particular purpose, such as a business or a government department
- overcrowdingNoun · 22 points
- the presence of more people or things in a space than is comfortable, safe, or permissible
- overshadowedVerb · 23 points
- tower above and cast a shadow over
12 Letter Words Starting With O: Questions
How many twelve letter words starting with O are there?
There are 11 twelve letter words starting with O in our dictionary, and 11 of them are common words most players will already know.
What is the highest scoring word among twelve letter words starting with O?
OPTIMIZATION is the highest scoring option at 25 points, counting tile values only and before any double or triple squares.
What are some common twelve letter words starting with O?
OBSERVATIONS, OPTIMIZATION, OVERCROWDING are among the most familiar twelve letter words starting with O. Select any word in the list to read its definition.
Are these twelve letter words starting with O valid in Scrabble and Words With Friends?
Every word is drawn from a tournament word list, so most are playable everywhere. Use the dictionary selector to narrow the list to Scrabble US (NWL2023), Scrabble UK (CSW24) or Words With Friends and see only the words that game accepts.