Voltage's rhymes with:
advantages, cottages, disadvantages, heritage's, hostages', outages, percentages, vantage's, vantages, vestiges, vintages, wantages
Voltage's sounds like:
valadez, valdes, valdez, valdis, validates, valtek, vaults, veliotis, violates, violets, vlad's, vladeck, voeltz, voltage, voltages, volts, voltz, vultaggio