There are 21 8-letter words that start with 'exo'.
| exocarps | exocrine | exocytic | exoderms |
| exoduses | exoergic | exogamic | exonumia |
| exorable | exorcise | exorcism | exorcist |
| exorcize | exordial | exordium | exosmose |
| exospore | exoteric | exotisms | exotoxic |
| exotoxin | |||
Note: These 21 8-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)