There are 16 words that end with 'asion'.
| basion | nasion |
| erasion | evasion |
| suasion | abrasion |
| invasion | occasion |
| corrasion | pervasion |
| dissuasion | persuasion |
| reinvasion | preinvasion |
| dermabrasion | overpersuasion |
Note: These 16 words that end with 'asion' are found from the USA & Canada version of the tournament Scrabble word list.