The best replacement for habit is addiction.

The best alternatives to habit are rated as following:
★★★★★  addiction
★★  tic
★★  habbit
★★  routine
★★  ritual
★★  in n out
★★  compulsion
★★  hobby
★  behavior
★  custom
★  moral character
  candypants
  tourette's
  shrug
  five guys
  mannerism
  habit
  attitude
  addiction alcohol
  instinct
  hijab
  some kind of addiction
  tradition
  rabbit pearl

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

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



Google Trends

Scale is based on the average worldwide traffic of habit in all years. Click on graph for more.
habit
addiction
tic