There are 15 words that end with 'nogen'.
| ionogen | cyanogen |
| mucinogen | immunogen |
| carcinogen | fibrinogen |
| pepsinogen | plasminogen |
| trypsinogen | agglutinogen |
| cocarcinogen | hallucinogen |
| noncarcinogen | anticarcinogen |
| precipitinogen | |
Note: These 15 words that end with 'nogen' are found from the USA & Canada version of the tournament Scrabble word list.