operation
surgery
surgical operation
surgical procedure
surgical process
aeration
amputations
bandaging
bonobo
conservancy
debriefing
deforestation
dermatology
diluvian
drainage
excision
fasciotomy
laparoscopy
lobectomy
oncologist
overhaul
perfusion
realignment
reclamation
refit
revascularization
sterilization
tree-planting
unscrambling
washdown