Bolivian rhymes with:
oblivion, oblivion, vivian, vivien, vivienne, avian, evian, jovian, latvian, levien, moldavian, moravian, nervion, oblivion, pavlovian, peruvian, scandinavian, vivian, vivien, vivienne, yugoslavian
Bolivian sounds like:
balaban, balbina, balboni, belvin, bilbaoan, bliven, bullpen