There are 8 12-letter words that start with 'swa'.
| swaggeringly | swainishness | swallowtails |
| swampinesses | swankinesses | swashbuckled |
| swashbuckler | swashbuckles | |
Note: These 8 12-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)