Geffen rhymes with:
deafen, steffan, steffen, stephan, acetaminophen, altenhofen, carstarphen, dalfen, deafen, dextrathoraphan, dolphin, draffen, entoffen, farfen, giffen, griffen, griffon, hafen, hanifen, hyphen, ibuprofen, kniffen, lafon, ludwigshafen, mcguffin, mcmuffin, morphin, muffin, offen, often, orphan, paraffin, siphon, sniffen, soften, steffan, steffen, stephan, stiffen, sutphen, syphon, tamoxifen, toughen, xenophon
Geffen sounds like:
gabon, gaffin, gaffney, gaufman, gauvain, gauvin, gavan, gaven, gavin, gibbon, gibboney, gibian, gibney, giboney, giffen, giffin, giovanni, giovannini, giovannoni, givan, given, givhan, givin', gobain, goben, gobin, goffin, goffman, goffney, govan, govoni, guffin