The best replacement for hills is mountains.

The best alternatives to hills are rated as following:
★★★★★  mountains
★★  royal canin
★★  stairs
★★  eukanuba
★  purina
★  mountains difference
★  centennial
★  pg&e
★  old tappan
★  bel air
★  intervals
★  north allegheny
★  acana
  daytek
  apricus
  south fayette
  central catholic
  sharon
  manatee
  damien
  wayne valley
  oceanside
  milpitas
  bakersfield
  potsdam
  jersey shore
  ramapo
  laguna beach
  slopes
  sills
  santa monica
  queensbury
  shalom
  beverly hills
  nvot
  laguna niguel
  windsor palms
  hollywood hills
  oak grove
  dragonblight
  hinsdale
  homestead
  vets choice
  marshfield
  palisades

Your alternative for hills is not listed? Suggest!
Speaking about hills, one probably shouldn't forget about lauren conrad.

Other search terms related to hills and their ratings are:
★★★★★ lauren conrad
★★★ white shell
★★ james franco and mila kunis
★ hills
You have in mind a companion for hills and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hills in all years. Click on graph for more.
hills
mountains
royal canin