Frontage rhymes with:
advantage, disadvantage, vintage, wantage, advantage, armitage, cabotage, disadvantage, footage, hostage, nottage, prestage, prestidge, reportage, vestige, vintage, wantage
Frontage sounds like:
fahrenheit's, farmhands, fermenta's, ferments, fernandes, fernandez, fernando's, forehands, forints, formants, formats, frantic, frantz, fremd's, fremitus, frenetic, frentz, friend's, friends, friends', fronds, front's, fronts, frontz