Pirelli's rhymes with:
alleles, bellies, delhi's, dominelli's, jellies, jelly's, kelley's, kelli's, kelly's, kellys, machiavelli's, robustelli's, selies, selies', shelley's, wellies
Pirelli's sounds like:
paperless, parallax, parallels, paralysis, paralyze, paralyzes, parlays, parolees, paroles, payrolls, pearls, peerless, perales, peralez, perilous, perils, perlis, perls, perulac, pierrelouis, powerless, prolog, prologue, proulx