There are 15 words that start with 'week'.
| week | weeks | weekly |
| weekday | weekend | weekdays |
| weekends | weeklies | weeklong |
| weekended | weekender | weeknight |
| weekenders | weekending | weeknights |
Note: These 15 words that start with 'week' are found from the USA & Canada version of the tournament Scrabble word list.