There are 16 words that start with 'rhyth'.
| rhythm | rhythms |
| rhythmic | rhythmics |
| rhythmist | rhythmize |
| rhythmical | rhythmists |
| rhythmized | rhythmizes |
| rhythmicity | rhythmizing |
| rhythmically | rhythmicities |
| rhythmization | rhythmizations |
Note: These 16 words that start with 'rhyth' are found from the USA & Canada version of the tournament Scrabble word list.