Balthrop rhymes with:
moulthrop, gawthrop, lathrop, lothrop, moulthrop, northrop, northrup, winthrop, autoeurope, bearup, borup, europe, gawthrop, gilstrap, harrop, holtrop, kladstrup, lathrop, lothrop, moulthrop, northrop, northrup, thorup, waldrep, waldrip, waldrup, westrup, winthrop