Sperle rhymes with:
amoral, aural, auroral, balmoral, boral, borel, borell, burrill, choral, coral, corle, curle, durrell, erle, floral, goral, horrell, hurrell, immoral, koral, laurel, loral, moral, morell, murrell, murrill, norell, norrell, oral, orel, quarrel, reloral, serle, shirrell, sorel, sorell, sorrel, sorrell, sterle, surrell, tearle, thorell, turrell, turrill, werle, woehrle
Sperle sounds like:
several, severally, severely, soberly, sperl, spiral, spoerl, sprawl, sproul, sproule, sproull, sprowl, sprowle, spruell, spruiell, spruill