The best replacement for knife is gun.

The best alternatives to knife are rated as following:
★★★★★  gun
★★  dagger
★  cyberknife
★  fork
★  sword
★  gamma knife
★  banana
★  knive
★  fire
★  hatchet
  multi tool
  gun deaths
  axe
  knives
  kevlar
  tomahawk
  banana tosh
  stereotactic radiosurgery
  gun 21 feet
  stick
  banana tosh.o
  baton
  santoku
  bullet proof vest
  leatherman
  bat
  cyberknife surgery
  linear accelerator
  cyber knife
  case texas jack knife
  axe survival
  proton therapy
  steel knife
  chef\u0027s knife
  case knife
  cook\u0027s knife
  fire sons of anarchy
  throwing star
  santoku knife
  cyberknife radiation
  whole brain radiation
  zit
  hatchet for survival
  cyber knife surgery
  noose
  chef knife
  novalis
  huge zit
  dinner knife
  baseball bat
  tomotherapy

Your alternative for knife is not listed? Suggest!
Speaking about knife, one probably shouldn't forget about brass knuckles.

Other search terms related to knife and their ratings are:
★★★★★ brass knuckles
★★★★ flint
★★★ marlin spike
★★ firestarter
★ gut hook
★ tools
★ flashlight
leg holster
knife sharpener
fork
You have in mind a companion for knife and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of knife in all years. Click on graph for more.
knife
gun
dagger