There are 16 words that start with 'swas'.
| swash | swashed |
| swasher | swashes |
| swashers | swashing |
| swastica | swastika |
| swasticas | swastikas |
| swashbuckle | swashbuckled |
| swashbuckler | swashbuckles |
| swashbucklers | swashbuckling |
Note: These 16 words that start with 'swas' are found from the USA & Canada version of the tournament Scrabble word list.