Caravans rhymes with:
afghanistan's, afghanistans, afghans, alcan's, bedpans, businessman's, c-span's, caftans, callahan's, caltrans, goodman's, greenspan's, intertrans, lifespans, lumberman's, meehans, pakistan's, rosecrans, rosenkrans, stockman's, tajikistan's, taliban's, talibans, tarzan's
Caravans sounds like:
carbonize, carbons, carpencic, carpencic's, carping, carving, carvings, cervenka, cherrapunji, chervenak, chirping, chriboniko, chriboniko's, corpening, craven's, cravens, craving, cravings, creepiness, creeping, cribbing, cropping, curbing, curving