There are 11 11-letter words that start with 'exo'.
| exocytosing | exodermises | exodontists |
| exogenously | exonerating | exoneration |
| exonerative | exonuclease | exorbitance |
| exoskeletal | exoskeleton | |
Note: These 11 11-letter words that start with 'exo' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with exot, exor, exon, exos, exoc, exod, exog, exop, exob, exoe.
4-letter words start with 'exo' (1)