There are 13 words that start with 'streak'.
| streak | streaks |
| streaky | streaked |
| streaker | streakers |
| streakier | streakily |
| streaking | streakiest |
| streakings | streakiness |
| streakinesses | |
Note: These 13 words that start with 'streak' are found from the USA & Canada version of the tournament Scrabble word list.