There are 15 words that start with 'thimb'.
| thimble | thimbles |
| thimbleful | thimblerig |
| thimblefuls | thimblerigs |
| thimblesful | thimbleweed |
| thimbleberry | thimbleweeds |
| thimblerigged | thimblerigger |
| thimbleberries | thimbleriggers |
| thimblerigging | |
Note: These 15 words that start with 'thimb' are found from the USA & Canada version of the tournament Scrabble word list.