15 Letter Words Starting With OF
There are 6 valid 15 letter words that start with OF, drawn from NWL2023, CSW24, and Words With Friends. Sorted below by score, with the single highest scorer called out.
Highest Scoring 15-Letter Words
US Scrabble (NWL)
officialization - 32 points
UK Scrabble (CSW)
officialization - 32 points
Words With Friends
officialization - 35 points
15 Letter Words (6)
View all words starting with OFTop 20 Highest-Scoring 15 Letter Words Starting With of
Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 6 word list is 77.2 combined points.
| Rank | Word | US Scrabble | UK Scrabble | WWF Points | Total |
|---|---|---|---|---|---|
| #1 | offenselessness | 21 | 21 | 24 | 66 |
| #2 | offensivenesses | 24 | 24 | 27 | 75 |
| #3 | offhandednesses | 26 | 26 | 27 | 79 |
| #4 | officialisation | 23 | 23 | 26 | 72 |
| 🏆 #5 | officialization | 32 | 32 | 35 | 99 |
| #6 | officiousnesses | 23 | 23 | 26 | 72 |
Where 15 Letter Words Fit on the Board
At 15 letters, a word almost always uses your entire rack plus tiles already on the board these are realistically bingo-adjacent plays rather than everyday moves, which is why the list leans heavily on compound and suffixed forms (-nesses, -ation, -izing). If you're looking for words you can play more often, shorter lengths starting with OF will give you far more flexible options try 15 letter words starting with OF for a more practical middle ground.
Frequently Asked Questions
What is the highest-scoring 15 letter word starting with of?
officialization — worth 99 combined points (US Scrabble: 32, UK Scrabble: 32, Words With Friends: 35).
How many 15 letter words start with of?
6 valid words, combining entries from NWL2023, CSW24, and the Words With Friends dictionary.
Are 15 letter words realistic to actually play?
Only occasionally — you'd need most of your rack plus letters already on the board to reach 15 tiles. They're worth knowing for the rare bingo-extension play, but for regular turns, shorter of words will come up far more often.