to cut, to slice, to carve / cut down, fell, chop down / prune, trim, shear / cut flat things such as cloth or paper / cut a person with a sword, cut down, kill

finish, be through / perform an action thoroughly or decisively

paper

paper / newspaper

use one thing for many purposes / work someone hard

to use one's head

document

letter

book / write / composition

tear up, tear to pieces / tear off, pluck