Words that end with GEN, grouped by length
- chymotrypsinogen
- weltanschauungen
- anticarcinogen
- encephalitogen
- precipitinogen
- ferricyanogen
- ferrocyanogen
- milliroentgen
- noncarcinogen
- orthohydrogen
- phytoestrogen
- phytopathogen
- tropocollagen
- aesthesiogen
- agglutinogen
- antiestrogen
- antihydrogen
- cocarcinogen
- hallucinogen
- monohydrogen
- paracyanogen
- parahydrogen
- urobilinogen
- alloantigen
- antimutagen
- calyptrogen
- esthesiogen
- leucaemogen
- oxyhydrogen
- plasminogen
- progestogen
- trypsinogen
- carcinogen
- caseinogen
- dermatogen
- dihydrogen
- dinitrogen
- electrogen
- fibrinogen
- isoantigen
- pepsinogen
- thrombogen
- adaptogen
- chalcogen
- chromogen
- dictyogen
- goitrogen
- immunogen
- morphogen
- mucinogen
- oestrogen
- phellogen
- teratogen
- trioxygen
- aborigen
- allergen
- amidogen
- amylogen
- androgen
- collagen
- cultigen
- cyanogen
- diplogen
- enlargen
- estrogen
- florigen
- glycogen
- histogen
- hyalogen
- hydrogen
- miscegen
- nitrogen
- osteogen
- pathogen
- photogen
- roentgen
- staragen
- acrogen
- anlagen
- antigen
- cryogen
- endogen
- halogen
- humogen
- indigen
- ionogen
- kerogen
- loxygen
- lucigen
- lysogen
- mitogen
- mucigen
- mutagen
- oncogen
- pirogen
- pyrogen
- rontgen
- smidgen
- trudgen
- twiggen
- xylogen
- zymogen
- bergen
- biogen
- exogen
- kyogen
- laggen
- largen
- liggen
- morgen
- myogen
- orogen
- oxygen
- pangen
- hogen
- agen
- gen