There are 16 words that end with 'gium'.
| eulogium | patagium |
| refugium | collegium |
| contagium | fastigium |
| pterygium | uropygium |
| vestigium | seaborgium |
| sporangium | gametangium |
| florilegium | zoosporangium |
| megasporangium | microsporangium |
Note: These 16 words that end with 'gium' are found from the USA & Canada version of the tournament Scrabble word list.