Ventures' rhymes with:
adventures, misadventures, venture's, ventures, adventures, benchers, debentures, debentures', dentures, eurodebentures, indentures, misadventures, quenchers, venture's, ventures
Ventures' sounds like:
vandercook, vanderkooi, vanderzee, vandross, vannatter's, vantrease, vantreese, vendor's, vendors, vendors', venters, ventres, ventresca, ventress, venture's, ventures, vondracek, vondrak, vondrasek