5 Letter Words Starting With O and Ending With S

There are 68 five-letter words that start with O and end with S in our word list, and 20 of them are everyday words. They all follow the pattern O???S. The most common second letters are R, A, B, D, and the most common fourth letters are E, A, O, L. Most of these words (88%) are plurals or verb forms ending in S, which daily puzzles rarely use as answers, so start with the everyday list.