The best replacement for terrorists is freedom fighters.

The best alternatives to terrorists are rated as following:
★★★★★  freedom fighters
★★  insurgents
★  patriots
★  criminals
★  soldiers
★  militants
★  revolutionaries
★  counter terrorists
★  terrorists
★  extremists
  gangsters
  freedom fighter
  toxic terrorists
  rebels
  pirates
  ordinary criminals

Your alternative for terrorists is not listed? Suggest!
Speaking about terrorists, one probably shouldn't forget about nuclear weapons.

Other search terms related to terrorists and their ratings are:
★★★★★ nuclear weapons
★★★★ nukes
You have in mind a companion for terrorists and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of terrorists in all years. Click on graph for more.
terrorists
freedom fighters
insurgents