Voltages rhymes with:
hostages, shortages, bandages, cartridges, damages, forages, homages, hostages, images, languages, messages, mortgages, packages, passages, plumages, privileges, savages, shortages, tonnages, usages, villages, voyages
Voltages sounds like:
valadez, valdes, valdez, valdis, validates, valtek, vaults, veliotis, violates, violets, vlad's, vladeck, voeltz, voltage, voltage's, volts, voltz, vultaggio