There are 15 words that end with 'oism'.
| egoism | dodoism | echoism |
| heroism | hoboism | locoism |
| epizoism | machoism | jingoism |
| yahooism | dichroism | hoodooism |
| hylozoism | voodooism | pleochroism |
Note: These 15 words that end with 'oism' are found from the USA & Canada version of the tournament Scrabble word list.