There are 14 words that end with 'ntum'.
| centum | mentum | omentum |
| quantum | argentum | cementum |
| lomentum | momentum | ramentum |
| tomentum | sarmentum | tegmentum |
| unguentum | argumentum | |
Note: These 14 words that end with 'ntum' are found from the USA & Canada version of the tournament Scrabble word list.