The best replacement for monsoon is hurricane.

The best alternatives to monsoon are rated as following:
★★★★★  hurricane
★★★  typhoon
★★★  slingbox
★  tsunami
★  vamp
★  muhammad ali
★  raiden
★  sitka
★  bitspower
  mistking
  detox
  primark
  amihan
  delco
  showermate
  channeladvisor
  habagat
  cyclone
  sharon needles
  tropical storm
  winter monsoon
  hanging amihan
  graham
  bruno sammartino

Your alternative for monsoon is not listed? Suggest!
Speaking about monsoon, one probably shouldn't forget about sheila chandra.

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



Google Trends

Scale is based on the average worldwide traffic of monsoon in all years. Click on graph for more.
monsoon
hurricane
typhoon