There are 16 words that start with 'mock'.
| mock | mocks | mocked | 
| mocker | mockup | mockers | 
| mockery | mocking | mockups | 
| mockable | mocktail | mockeries | 
| mockingly | mocktails | mockingbird | 
| mockingbirds | ||
Note: These 16 words that start with 'mock' are found from the USA & Canada version of the tournament Scrabble word list.