There are 13 words that end with 'terium'.
| apterium | bacterium |
| criterium | deuterium |
| elaterium | osmeterium |
| psalterium | magisterium |
| mycobacterium | cyanobacterium |
| archaebacterium | corynebacterium |
| enterobacterium | |
Note: These 13 words that end with 'terium' are found from the USA & Canada version of the tournament Scrabble word list.