Vicon's rhymes with:
chicken's, chickens, chickens', dickens, dickens', hichens, lykins, mickens, nickens, pickens, pickens', quickens, ricans, thickens, wickens
Vicon's sounds like:
vacancies, vacancy, vaccine's, vaccines, vacuuming, vacuums, vagueness, vashinsky, vaughan's, vaughn's, vaughns, vegans, vegisnax, vexing, viacom's, vicencio, vicenzi, viciousness, viking, viking's, vikings, vision's, visions, visnic, voicing, vouching