Hyder rhymes with:
heider, hider, cider, collider, crider, cryder, divider, frieder, glider, greider, grider, gryder, guider, heider, hider, insider, kreider, krider, kryder, leider, outsider, provider, rider, ryder, scheider, schmieder, schneider, schnider, schnieder, schnyder, seider, shrider, sider, slider, sneider, snider, snyder, spider, strider, supercollider, swider, weider, wider
Hyder sounds like:
hader, hadria, haider, hater, hatter, hattery, hattori, haueter, hauter, hayter, header, headwater, heater, heather, heathrow, heeter, heider, heidiwear, hider, hither, hitter, hodder, hoddur, hooter, hotter, hotwire, huether, hutter, hydra, hydro