There are 9 words that end with 'thenic'.
| sthenic | asthenic |
| ruthenic | myasthenic |
| naphthenic | calisthenic |
| hypersthenic | neurasthenic |
| psychasthenic | |
Note: These 9 words that end with 'thenic' are found from the USA & Canada version of the tournament Scrabble word list.