A coup de 'etat.
The rebels planned to overthrow the corrupt government and establish a new regime.
Another word for overthrow is defeat. Also the word destroy is another example. You could use the word seize as a synonym of the word overthrow.
revolution
Very sharp best fits the word razor sharp.
Vegetation.
Guillotine.
Carnivore.
Enumerating.
A mother.
"Useless"or trash
howitzer
chloroplast