The best replacement for horror is terror.

The best alternatives to horror are rated as following:
★★★★★  terror
★★★★★  thriller
★★  comedy
★★  thriller movies
★★  hoax
★  scary
★  ghost stories
★  suspense
★  gothic
★  horror
★  science fiction
  creepypasta
  dark fantasy
  conjuring
  sci fi
  slasher
  terror literature
  new horror
  romantic comedy
  mystery

Your alternative for horror is not listed? Suggest!
Speaking about horror, one probably shouldn't forget about blood comes cleansing.

Other search terms related to horror and their ratings are:
★★★★★ blood comes cleansing
★ anticipation
You have in mind a companion for horror and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of horror in all years. Click on graph for more.
horror
terror
thriller