Gretal rhymes with:
gretel, gretel, trettel, betel, gettel, gettle, gretel, hettel, kettell, kettle, metal, mettle, nettle, petal, resettle, settle, trettel, unsettle, zettel, zettle
Gretal sounds like:
gardella, gartley, girdle, girdley, gordillo, gradel, gradual, gradually, grathwohl, greatly, gredel, greedily, gretel, grethel, gridley, guardedly, guardiola