The best replacement for elliptical is treadmill.

The best alternatives to elliptical are rated as following:
★★★★★  treadmill
★★★★  running
★★★★  bike
★★  stationary bike
★★  walking
★  stairmaster
★  stepper
★  arc trainer
★  treadmill calories
★  rower
★  jogging
★  gazelle
★  exercise bike
★  treadclimber
★  spinning
★  treadmill for weight loss
  stair climber
  rowing machine
  bike calories
  treadmill workout
  recumbent bike
  treadmill first
  spiral galaxy
  oval
  cross trainer
  treadmill weight loss
  treadmill burn
  crossramp
  total gym
  arc
  treadmills
  treadmill to lose weight
  treadmill calories burned
  swimming
  treadmill which is better
  spiral galaxies
  treadmill which is better for weight loss
  cycling
  stair stepper
  incline trainer
  treadmill bodybuilding
  treadmill better
  spinning bike
  running calories

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

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



Google Trends

Scale is based on the average worldwide traffic of elliptical in all years. Click on graph for more.
elliptical
treadmill
running