Hostages rhymes with:
shortages, voltages, bandages, cartridges, damages, forages, homages, images, languages, messages, mortgages, packages, passages, plumages, privileges, savages, shortages, tonnages, usages, villages, voltages, voyages
Hostages sounds like:
hajduk, hasidic, haystack, haystacks, hecht's, hectic, hegedus, heights, hesitates, hightech, hoechst's, hoists, host's, hostage, hostages', hostess, hostesses, hosts, houseguests, huestis, hyakutake