There are 16 words that start with 'slow'.
| slow | slows | slowed |
| slower | slowly | slowest |
| slowing | slowish | slowdown |
| slowness | slowpoke | slowworm |
| slowdowns | slowpokes | slowworms |
| slownesses | ||
Note: These 16 words that start with 'slow' are found from the USA & Canada version of the tournament Scrabble word list.