Vehicles' rhymes with:
vehicle's, vehicles, agrochemicals, article's, bicycles, biologicals, biomedicals, chemical's, chemicals, chimicles, chronicle's, chronicles, clinical's, cubicles, cyclicals, electricals, encyclicals, evangelicals, follicles, icicles, musicals, optical's, periodicals, petrochemicals, pharmaceuticals, physicals, pinnacle's, receptacles, sabbaticals, surgical's, technical's, technicals, testicles, vehicle's, vehicles, vesicles
Vehicles' sounds like:
vagelos, vassals, vassilios, vehicle's, vehicles, veselka, vesicles, vessel's, vessels, vessels's, vigils, visclosky, visicalc, visualize, visuals, vocals, vogels, voiceless, vukelich