There are 17 words that start with 'promis'.
| promise | promised |
| promisee | promiser |
| promises | promisor |
| promisees | promisers |
| promising | promisors |
| promissory | promiscuity |
| promiscuous | promisingly |
| promiscuities | promiscuously |
| promiscuousness | |
Note: These 17 words that start with 'promis' are found from the USA & Canada version of the tournament Scrabble word list.