There are 14 words that start with 'upper'.
| upper | uppers |
| uppercut | uppercase |
| uppercuts | uppermost |
| upperpart | uppercased |
| uppercases | upperparts |
| uppercasing | uppercutting |
| upperclassman | upperclassmen |
Note: These 14 words that start with 'upper' are found from the USA & Canada version of the tournament Scrabble word list.