There are 11 words that start with 'semp'.
| semple | sempre |
| semplice | sempstress |
| sempervivum | sempiternal |
| sempervivums | sempiternity |
| sempstresses | sempiternally |
| sempiternities | |
Note: These 11 words that start with 'semp' are found from the USA & Canada version of the tournament Scrabble word list.