The best replacement for injection is carburetor.

The best alternatives to injection are rated as following:
★★★★★  carburetor
★★★★  infusion
★★  pill
★  oral steroids
★  blow molding
★  gel
★  electric chair
★  carburetion
★  shot
★  compression molding
★  life in prison
★  bifta
★  ingestion
★  fuel injection
★  leakage
★  implant
★  jab
★  carb
★  intravenous
★  indirect injection
  intramuscular injection
  tablet steroids
  pills
  infusion difference
  drops
  intramuscular
  gel testosterone
  pill steroids
  electrocution
  intercooler
  patch
  intradermal injection
  oral medication
  androgel
  subcutaneous
  singleton
  lh surge
  carburettor
  cream testosterone
  direct injection
  sublingual
  subcutaneous injection
  nerve block
  carburetors
  carburetor motorcycle
  oral
  electronic fuel injection
  carburation
  epidural injection
  topical testosterone
  mist
  intravenous injection
  factory
  nasal spray
  port injection
  intercooling
  oral antibiotic
  lip venom
  inhalation

Your alternative for injection is not listed? Suggest!
Speaking about injection, one probably shouldn't forget about fluoroscopy.

Other search terms related to injection and their ratings are:
★★★★★ fluoroscopy
★★★★ needle
★★ iui
★★ clomid
★★ lidocaine
★ aspiration
★ nitrous
★ air bubble
sedation
You have in mind a companion for injection and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of injection in all years. Click on graph for more.
injection
carburetor
infusion