Hiers rhymes with:
hears, overhears, beer's, beres, biers, buccaneers, comandeers, engineer's, fiers, frears, hears, jeers, lear's, meares, musketeers, overhears, puppeteers, rabbitears, seers, seres, shear's, shears, siers, stears, tiers, veres, weir's, wiers
Hiers sounds like:
hair's, hairs, harass, harasses, harc, hare's, hares, hargis, hargus, harig, haris, hariz, harjo, harju, hark, harke, harkey, harks, harrah's, harries, harris, harris', harris's, harrises, harriss, harry's, harsch, harsco, harsh, harsha, harshaw, harwick, hearers, hears, hearsay, hearse, heiress, heiresses, heirs, heoroico, her's, herceg, herczeg, here's, heresy, herk, hero's, heroes, heroic, heroics, heroize, heros, heroux, herriage, herrick, herrig, hers, hersch, herscu, hersey, hersh, hershey, hershey's, herwick, herwig, herz, herzig, herzog, heuer's, hierarchies, hierarchy, hires, hiroaki, hirose, hiroshi, hiroyuki, hirsch, hirsch's, hirschi, hirschy, hirsh, hoarse, hoerig, horace, horace's, horacek, horacia, horacio, horak, horch, horchow, horejsi, horiguchi, horiuchi, horkey, horky, horrocks, horrors, hors, horsch, horse, horse's, horses, horses', horseshoe, horseshoes, horsey, horus, horwich, hour's, hours, hours', hruska, hurco, hurries, hursey, hursh, hyers, hyraxes