Unauthentic rhymes with:
authentic, authentic, hentic, antic, atlantic, authentic, bankatlantic, frantic, gigantic, hentic, mcclintic, mcclintick, midlantic, orthodontic, pedantic, romantic, semantic, swantek, sycophantic, transatlantic, zientek
authentic, authentic, hentic, antic, atlantic, authentic, bankatlantic, frantic, gigantic, hentic, mcclintic, mcclintick, midlantic, orthodontic, pedantic, romantic, semantic, swantek, sycophantic, transatlantic, zientek