It would be "commit suicide", because you do it to yourself, and can only do it (right) once. To "commit a suicide" would imply multiple are possible, which is not true, using the indefinite article, "a".
it means you helped the person get the tools to commit suicide convinced them to commit suicide or gave them reason to commit suicide
Commit suicide
No does not suicide he blind himself .. Jocasta who commit suicide by his own hands
Fish can't commit suicide, no animal can.
He didn't commit suicide.
Chris had been using steroids for years
No, Corey Feldman did not commit suicide. This is a rumor.
No one really knows what goes on inside the minds of people who commit suicide. All that is known is that she was in a car accident which resulted in a broken nose and damaged face. She committed suicide in 1994 using a gun.
Assisted suicide means that someone is helping someone commit suicide. Therefore it's any of the usual ways to commit suicide, just with someone helping.
NEVER commit suicide
To "want to commit suicide" means to want to kill yourself.