The best replacement for anaesthesia is anesthesia.

The best alternatives to anaesthesia are rated as following:
★★★★★  anesthesia
★★★★  analgesia
★★★★  orthopedics
★★  paraesthesia
★  orthopaedics
★  sedation
  spinal
  local
  general anaesthesia
  spinal anaesthesia
  local anaesthesia

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

Other search terms related to anaesthesia and their ratings are:
★★★★★ intubation
★★★ ropivacaine
You have in mind a companion for anaesthesia and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of anaesthesia in all years. Click on graph for more.
anaesthesia
anesthesia
analgesia