13-Letter Words Starting With OS

Found 10 13-letter words starting with OS

Highest Scrabble Score

The highest scoring 13-letter word starting with OS in Scrabble:

OSCILLOGRAPHY24 pts
Highest Words With Friends Score

The highest scoring 13-letter word starting with OS in WWF:

OSCILLOGRAPHY27 pts

About 13-Letter Words Starting With OS

This list contains valid 13-letter words that begin with OS. Longer words score higher in Scrabble due to premium tiles and the 50-point bingo bonus. Each word links to its definition page with anagrams and game scores.