There are 12 words that start with 'interw'.
| interwar | interwork |
| interwove | interweave |
| interworks | interwoven |
| interweaved | interweaves |
| interworked | interweaving |
| interworking | interworkings |
Note: These 12 words that start with 'interw' are found from the USA & Canada version of the tournament Scrabble word list.