There are 12 words that end with 'inogen'.
| mucinogen | carcinogen |
| fibrinogen | pepsinogen |
| plasminogen | trypsinogen |
| agglutinogen | cocarcinogen |
| hallucinogen | noncarcinogen |
| anticarcinogen | precipitinogen |
Note: These 12 words that end with 'inogen' are found from the USA & Canada version of the tournament Scrabble word list.