There are 16 words that start with 'prosc'.
| proscenia | proscribe |
| proscenium | prosciutti |
| prosciutto | proscribed |
| proscriber | proscribes |
| prosceniums | prosciuttos |
| proscribers | proscribing |
| proscription | proscriptive |
| proscriptions | proscriptively |
Note: These 16 words that start with 'prosc' are found from the USA & Canada version of the tournament Scrabble word list.