The best replacement for push up is pull up.

The best alternatives to push up are rated as following:
★★★★★  pull up
★★★★  bench press
★★★  press up
★★★  demi
★★  push back
★★  plank
★★  push up pro
★  padded bra
★  chin up
★  push up
★  normal bra
★  lightly lined
★  full coverage bras
★  regular push up
  sit up
  plunge bra
  perfect push up
  miracle bra
  standard push up
  chest press
  gel bra
  bra
  decline push up
  dip
  push up bar
  benching

Your alternative for push up is not listed? Suggest!
Speaking about push up, one probably shouldn't forget about renegade row.

Other search terms related to push up and their ratings are:
★★★★★ renegade row
★★★ burpee
★ dumbbell row
You have in mind a companion for push up and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of push up in all years. Click on graph for more.
push up
pull up
bench press