The best replacement for rainbow is kirby.

The best alternatives to rainbow are rated as following:
★★★★★  kirby
★★★★★  dyson
★★★  hyla
★★  kirby vacuum
★★  focal
★  brown trout
★  dyson vacuum
★  miele
★  reef sandals
★  reef
★  filter queen
★  steelhead
★  sirena
  olukai
  tornado
  woodplay
  cutthroat
  cutthroat trout
  inferno
  gorilla playsets
  shiva edge
  trout
  robot
  backyard adventures
  deep purple
  kirby vacuums
  dotnetnuke
  team inferno
  pro aqua
  oreck
  gay rainbow
  gorilla playset
  thermax

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

Other search terms related to rainbow and their ratings are:
★★★★★ clouds
★★★★★ pot of gold
★★★ dio
★ pot of gold picture
★ unicorn
gold
cloud
prism
leprechaun
rnrj dio
ronnie james dio
You have in mind a companion for rainbow and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of rainbow in all years. Click on graph for more.
rainbow
kirby
dyson