Frigate's rhymes with:
frigates, frigates, bigots, frigates, gigot's, spigots, agates, bigots, delegate's, ergot's, ergots, frigates, gigot's, gorgets, ingots, legates, maggots, mcnuggets, nuggets, spigots, superdelegates, surrogates, target's, targets
Frigate's sounds like:
fabricates, first's, firsts, forecasts, foreshadows, forest's, forests, forgets, forsythias, fractious, freightways, frigates, frosts, fructose