The best replacement for hoo is boo who.

The best alternatives to hoo are rated as following:
★★★★★  boo who
★★★★  jun pyo
★★★★  woo hoo
★★★★  woohoo
★★★  boohoo
★★  whoo hoo
★  cindy lou who
★  whoo
  jerry yan

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

Other search terms related to hoo and their ratings are:
★★★★★ honour
★★★ koo hye sun
You have in mind a companion for hoo and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hoo in all years. Click on graph for more.
hoo
boo who
jun pyo