15 Letter Words Starting With AB
There are 14 valid 15 letter words that start with AB, 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)
abyssobenthonic - 27 points
UK Scrabble (CSW)
abyssobenthonic - 27 points
Words With Friends
abdominovaginal - 31 points
15 Letter Words (14)
View all words starting with ABTop 20 Highest-Scoring 15 Letter Words Starting With ab
Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 14 word list is 71.7 combined points.
| Rank | Word | US Scrabble | UK Scrabble | WWF Points | Total |
|---|---|---|---|---|---|
| #1 | abdominocardiac | 25 | 25 | 30 | 80 |
| #2 | abdominogenital | 21 | 21 | 27 | 69 |
| #3 | abdominovaginal | 24 | 24 | 31 | 79 |
| #4 | abdominovesical | 25 | 25 | 31 | 81 |
| #5 | abiogenetically | 23 | 23 | 28 | 74 |
| #6 | aboriginalities | 18 | 18 | 22 | 58 |
| #7 | absorbabilities | 21 | 21 | 25 | 67 |
| #8 | absorbefacients | 24 | 24 | 28 | 76 |
| #9 | absorptiometers | 21 | 21 | 24 | 66 |
| #10 | absorptiometric | 23 | 23 | 27 | 73 |
| #11 | abstractionisms | 21 | 21 | 25 | 67 |
| #12 | abstractionists | 19 | 19 | 22 | 60 |
| #13 | abstractiveness | 22 | 22 | 26 | 70 |
| 🏆 #14 | abyssobenthonic | 27 | 27 | 30 | 84 |
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 AB will give you far more flexible options try 15 letter words starting with AB for a more practical middle ground.
Frequently Asked Questions
What is the highest-scoring 15 letter word starting with ab?
abyssobenthonic — worth 84 combined points (US Scrabble: 27, UK Scrabble: 27, Words With Friends: 30).
How many 15 letter words start with ab?
14 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 ab words will come up far more often.