Gredel rhymes with:
credle, fredell, reddell, redel, redell, bedell, credle, edel, fedele, fredell, medal, meddle, medel, pedal, peddle, reddell, redel, redell, schaedel, weddell, weddle, wedel, wedell
Gredel sounds like:
gardella, gartley, girdle, girdley, gordillo, gradel, gradual, gradually, grathwohl, greatly, greedily, gretal, gretel, grethel, gridley, guardedly, guardiola