There are 6 15-letter words that start with 'expe'.
| expeditiousness | expendabilities |
| expensivenesses | experimentalism |
| experimentalist | experimentation |
Note: These 6 15-letter words that start with 'expe' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with exper, expec, exped, expen, expel.
5-letter words start with 'expe' (1)