Tripoli rhymes with:
denapoli, dinapoli, happily, metropoli, monopoly, municipally, napoli, oligopoly, sleepily, sloppily, unhappily
Tripoli sounds like:
taravella, tarbell, tarpley, tearful, tearfully, terrible, terribly, tourville, trafillio, trapelo, travail, travel, treble, treppel, tribal, tribble, trible, tribull, trifle, triple, trippel, tripple, trivial, trouble, truffle, turbeville, turbyfill, turville