There are 7 4-letter words that start with 'swa'.
| swab | swag | swam | swan | swap | 
| swat | sway | |||
Note: These 7 4-letter words that start with 'swa' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with swar, swan, swag, swam, swas, swat, swal, sway, swab, swai, swap, swad, swac.
4-letter words start with 'swa' (7)