Definitions are not semantics. Re read your twisting of terms to suit your purposes to see semantic gymnastics in action.
Terrorism example - a bomb or bombings designed to make the government look impotent and to coerce or intimidate the population to bend to the will of the perpetrators.
Abortion - normally a voluntary act by a woman who wishes to end her pregnancy by killing the fetus. Frequently done in secret.
There are many terrible and terrifying acts perpetrated on people that are not correctly termed terrorism.
Either words mean something or they don’t.