There are 24 5-letter words that start with 'ko'.
| koala | koans | kobos | koels | kohls |
| koine | kojis | kolas | kolos | kombu |
| konks | kooks | kooky | kopek | kophs |
| kopje | koppa | korai | koras | korat |
| korma | korun | kotos | kotow | |
Note: These 24 5-letter words that start with 'ko' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with kol, kop, kor, kou, koo, kom, kot, koa, kob, kos, kow, koh, koi, kon, koe, koj, kok.
3-letter words start with 'ko' (6)