The best replacement for fix is repair.

The best alternatives to fix are rated as following:
★★★★★  repair
★★★★  swift
★★  fixml
★★  50/50
★★  arm
★★  fpml
★  buy new car
★  studio tech
★  waypoint
★  affix
★  itch
★  mineralize
  pro longwear
  revlon colorstay
  studio tech foundation
  studio sculpt
  matchmaster
  int

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

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



Google Trends

Scale is based on the average worldwide traffic of fix in all years. Click on graph for more.
fix
repair
swift