15 Letter Word Finder
How many 15 letter words are there?
There are 3,492 fifteen letter words in the word list this site searches. Fifteen letter words span the full width of a Scrabble board. Playing one is close to impossible, which is a good part of why the list is worth reading.
The most common starting letters at this length are P (393 words), C (347 words), I (318 words), S (269 words) and D (249 words).
Highest scoring 15 letter words
The highest scoring fifteen letter word is OXYPHENBUTAZONE at 41 points. These are the top 12, scored with standard English Scrabble tile values and no board bonuses.
- oxyphenbutazone 41
- schizoaffective 40
- benzodiazepines 38
- psychoanalyzing 38
- cyclohexylamine 37
- hyperimmunizing 37
- hypnotizability 37
- ventriloquizing 37
- coenzymatically 36
- hyperefficiency 36
- hyperphysically 36
- monophthongized 36
15 letter words with all five vowels
The word list has 303 words at this length containing A, E, I, O and U at once. Vowel heavy answers like these turn up often in crosswords and quiz puzzles.
- acrimoniousness 19
- aluminosilicate 19
- ambiguousnesses 20
- ambitiousnesses 19
- anfractuosities 20
- anticonvulsives 23
- antieducational 18
- antiforeclosure 20
- antispeculation 19
- antituberculous 19
- assiduousnesses 16
- atrabiliousness 17
Tips for fifteen letter words
Enter any letters you know in their exact positions. This is the smallest group in the dictionary, so two or three known letters usually leave a very short list.