I believe the term you are looking for is omit
Ablation
Beheaded means that the head is removed from the body, usually with an axe or guillotine.
Chunking a fish usually means cutting it up as in processing it for human consumption.
If you've heard the term "weapons of mass destruction" you should know what "mass destruction" means. "Mass destruction" means a high area of damage.
desalination
one is not the other
A CD title I believe is not actually a title. CD in reference to a motorcycle usually means a Certificate of Destruction.
No, not unless the firearm has been "de-milled"- permanently changed to prevent it from firing. That usually means cutting the frame into 3 pieces with a cutting torch.
Coupe means cutting
Wood cutting drill bits are made of steel and are usually 'brad pointed' -this means having a very sharp, narrow point in the middle of the bit's end.
enterotomy (entero means intestines; -tomy means process of cutting)
Pan means all, cyt means cell and lysis means destruction. So I would interpret it as total cell destruction.
Havoc is a word that means destruction.