There are 4 14-letter words that start with 'expe'.
| expectednesses | expectorations | 
| experientially | experimentally | 
Note: These 4 14-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)