There are 17 words that end with 'tials'.
| fetials | initials |
| nuptials | partials |
| tertials | celestials |
| essentials | potentials |
| primatials | credentials |
| equinoctials | exponentials |
| inessentials | influentials |
| substantials | differentials |
| nonessentials | |
Note: These 17 words that end with 'tials' are found from the USA & Canada version of the tournament Scrabble word list.