The best replacement for coma is vegetative state.

The best alternatives to coma are rated as following:
★★★★★  vegetative state
★★★★  comma
★★★★  unconscious
★★★  brain death
★★  brain dead
★  sleep
★  persistent vegetative state
★  semicolon
★  deep sleep
★  insulin shock
★  pvs
★  death
★  panic
★  life support
★  comatose
★  sedation
  unconsciousness
  semi colon
  stupor
  colon
  coma
  diabetic shock
  vegetative
  dead
  diabetic coma
  concussion
  acoma
  locked in syndrome
  unresponsive
  permanent vegetative state
  persistive vegetative state
  unconscience

Your alternative for coma is not listed? Suggest!
Speaking about coma, one probably shouldn't forget about brain activity.

Other search terms related to coma and their ratings are:
★★★★★ brain activity
★ brain injury
You have in mind a companion for coma and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of coma in all years. Click on graph for more.
coma
vegetative state
comma