Umpires rhymes with:
occupiers, amplifiers, backfires, blowdryers, bonfires, campfires, didemeyer's, fortifiers, highfliers, homebuyers, humidifiers, longmeyer's, magnifiers, occupiers, pacifiers, purifiers, qualifiers, rectifiers, satires, wildfires
Umpires sounds like:
umbrage, umphress, uniforce, universe, universes