Galpin rhymes with:
halpin, gilpin, halpin, arpin, aspin, backspin, coppin, crespin, crispin, daspin, flippin, gilpin, halpin, hennepin, jospin, juarez-espin, jupin, lapin, ongpin, pepin, peppin, pippin, protropin, ruxpin, somatotropin, steppin', tappin, tippin, toppin, toupin, trupin, turpin, vipin
Galpin sounds like:
galban, gallivan, galvan, galven, galvin, gelvin, gilpin, gilvin, glavan, glavin, glavine, golfman, goloven, golphin