There are 15 words that start with 'prun'.
| prune | pruned | pruner |
| prunes | prunus | pruners |
| pruning | prunable | prunella |
| prunelle | prunello | prunuses |
| prunellas | prunelles | prunellos |
Note: These 15 words that start with 'prun' are found from the USA & Canada version of the tournament Scrabble word list.