There are 9 6-letter words that start with 'was'.
wasabi | washed | washer | washes | washup |
wasted | waster | wastes | wastry | |
Note: These 9 6-letter words that start with 'was' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with wash, wast, wasp, wass, wasa.
4-letter words start with 'was' (3)