Terrific rhymes with:
honorific, autopacific, hieroglyphic, honorific, horrific, nonspecific, pacific, prolific, pseudoscientific, scientific, specific, transpacific, unscientific
Terrific sounds like:
tarbox, tariffs, tarps, terbush, terrifies, tharpe's, therapies, thrips, thrives, throwback, tirpak, torbeck, trabucco, traffic, traffic's, traipse, trapasso, trapeze, traps, travieso, travis, trbovich, trefz, treviso, trevizo, treybig, tribasa, tribe's, tribeca, tribes, trip's, tripp's, trips, trobaugh, troop's, troops, troops', trophies, tropic, tropics, tropopause, troupe's, troupes, trybus, turbas, turbos