The best replacement for gratitude is thankfulness.

The best alternatives to gratitude are rated as following:
★★★★★  thankfulness
★★★★  appreciation
★★★  entitlement
★★★  gratefulness
★★  with gratitude
★  thanks
★  being grateful
★  thankful
★  grateful
★  complaining
★  ingratitude
  grumbling
  attitude
  in gratitude
  thanksgiving
  greed

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

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



Google Trends

Scale is based on the average worldwide traffic of gratitude in all years. Click on graph for more.
gratitude
thankfulness
appreciation