There are 16 words that end with 'mium'.
| osmium | cadmium | holmium |
| fermium | premium | chromium |
| didymium | coremium | encomium |
| gelsemium | neodymium | prostomium |
| epithalamium | praseodymium | prothalamium |
| superpremium | ||
Note: These 16 words that end with 'mium' are found from the USA & Canada version of the tournament Scrabble word list.