The best replacement for hops is malt.

The best alternatives to hops are rated as following:
★★★★★  malt
★★★  pellets
★★  aroma hops
★★  pellet hops
★★  bittering hops
★  leaf
★  hop pellets
★  barley
★  pellet
★  jumps
★  malted barley
★  whole hops
★  whole
  hop
  gruit
  leaf hops
  malt beer
  dry hops

Your alternative for hops is not listed? Suggest!
Speaking about hops, one probably shouldn't forget about high alpha acid.

Other search terms related to hops and their ratings are:
★★★★★ high alpha acid
★★ malt
★★ beer styles
★ valerian
homebrew
You have in mind a companion for hops and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hops in all years. Click on graph for more.
hops
malt
pellets