sep·tec·to·my 
(sĕp-tĕktə-mē)
(sĕp-tĕktə-mē)n. pl. sep·tec·to·mies
Surgical excision of a septum or part of a septum, especially the nasal or atrial septum.
- Commonwealth of Independent States
- Commonwealth of Nations
- common year
- commotion
- commove
- communal
- communalism
- communalist
- communalistic
- communality
- communalize
- communally
- Communard
- commune
- commune
- communer
- communicability
- communicable
- communicableness
- communicably
- communicant
- communicate
- communication
- communicational
- communication disorder