Petrol rhymes with:
marohl, anitole, asshole, aureole, bunol, console, coppernoll, creole, dabhol, kirkendoll, marohl, nichole, ponsolle, reinoehl, vogelpohl
Petrol sounds like:
patrol, pedroli, petralia, petrella, petrelli, petrilla, petrilli, petrillo, petrolia, powderly