There are 16 words that start with 'leak'.
| leak | leaks | leaky |
| leaked | leaker | leakage |
| leakers | leakier | leakily |
| leaking | leakages | leakiest |
| leakless | leakiness | leakproof |
| leakinesses | ||
Note: These 16 words that start with 'leak' are found from the USA & Canada version of the tournament Scrabble word list.