Words Starting With OO
All 109 English words starting with OO. Sorted by Scrabble and WWF scores. Filter by length — free, no account needed.
What Are OO Words?
Words starting with OO are English words that begin with the letters OO. This unique digraph often originates from Germanic roots or Greek loanwords, frequently producing long 'u' or 'o' sounds as seen in terms like 'oxygen' or 'oology'. While relatively rare compared to other letter combinations, these words play a significant role in specialized vocabulary and word games. The collection of 109 words demonstrates a diverse range of lengths and complexities, with the most common length being seven letters, which accounts for 21.1% of the total list. This specific grouping offers a fascinating look into English phonology, where the double 'O' can signal everything from soft vowels in 'ooh' to hard sounds in 'ooze', providing rich material for linguistic analysis and puzzle solving.
Statistical Profile: Words Starting With OO
- Total words: 109 words start with OO
- Dominant length: 7 letters (21.1% of OO-words)
- Average Scrabble score: 13.1 points — below the dictionary average of 15.5
- Common words: 0% of OO-words appear in everyday English (vs. 3.2% average across all prefixes)
- Most common third letter: After OO, the most frequent next letter is P (26 words)
Using OO Words in Word Games
When playing Scrabble or word games, leverage the fact that the average Scrabble score for these 109 words is 13.1, which is notably lower than the dictionary average of 15.5. Since the most frequent word length is seven letters, focus on constructing seven-letter words to maximize board coverage while maintaining a manageable point threshold. Utilizing these specific entries can help players clear difficult rack combinations, especially when holding multiple 'O's, without needing high-value tiles to reach competitive scores.
Highest-Scoring OO Words
Scrabble
- oophororrhaphy — 30 points
- oophoropexy — 28 points
- oophoroepilepsy — 27 points
- oophorectomy — 24 points
- oophoromalacia — 23 points
Words With Friends
- oophoroepilepsy — 29 points
- oophoropexy — 28 points
- oophororrhaphy — 28 points
- oophoromalacia — 26 points
- oophorectomy — 25 points
Word Unscrambler
Need to find words from specific letters? Use our full Word Unscrambler tool right here.
Related Prefixes
OA WordsOB WordsOC WordsOD WordsOE WordsOF WordsOG WordsOI WordsOK WordsOL WordsOM WordsON WordsOP WordsOR WordsOS Words
Browse by Word Length
4-Letter Words5-Letter Words6-Letter Words7-Letter Words8-Letter Words9-Letter Words10-Letter Words11-Letter Words12-Letter Words13-Letter Words14-Letter Words15-Letter Words
Frequently Asked Questions
How many words start with OO?
There are 109 valid words starting with OO. This list covers the standard dictionary entries accepted in major word games. The collection includes a mix of common terms and specialized vocabulary.
What is the best Scrabble word starting with OO?
oophororrhaphy scores 30 points. It is the highest-scoring entry in the list due to its length and high-value letters like P and H. Using this word can often secure a game-winning turn if played across premium squares.
Is this word list free?
Yes, completely free. No account needed. Runs entirely in your browser.
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