The best replacement for stallions is geldings.

The best alternatives to stallions are rated as following:
★★★★★  geldings
★★★★  mares
★  pachanga
★  mustangs
★  gelding
★  karachi dolphins
★  skeeters
  hampshire
  rawalpindi rams
  global fc
  lahore lions

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

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



Google Trends

Scale is based on the average worldwide traffic of stallions in all years. Click on graph for more.
stallions
geldings
mares