on·co·gen·e·sis 
(ŏn′kō-jĕnĭ-sĭs, ŏng′-)
(ŏn′kō-jĕnĭ-sĭs, ŏng′-)n.
The formation and development of tumors.
[Greek onkos, mass, tumor; see nek-3 in the Appendix of Indo-European roots + -GENESIS.]
- chokebore
- choke chain
- chokecherry
- choke coil
- choke collar
- chokedamp
- chokehold
- choke off
- chokepoint
- choke point
- Stephen Edwin
- Stephen Fuller
- Stephen Gerald
- (Stephen) Grover
- Stephen Harold
- Stephen I
- Stephen Jay
- Stephen Joseph
- Stephen Joshua
- Stephen Michael
- Stephen of Blois
- Stephens
- Stephens
- Stephen Samuel
- Stephenson