Rapkin rhymes with:
drapkin, drapkin, napkin, bumpkin, drapkin, dropkin, hopkin, lampkin, lipkin, lumpkin, napkin, pipkin, popkin, pumpkin, ripkin, zipkin
Rapkin sounds like:
rabkin, rapson, repossession, revision, revson, revzin, rifkin, riphagen, ripken, ripkin, rivkin, robeson, robison, robson, rubicam, rubicon