Dolphin rhymes with:
dalfen, acetaminophen, altenhofen, carstarphen, dalfen, deafen, dextrathoraphan, draffen, entoffen, farfen, geffen, 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
Dolphin sounds like:
dalfen, delapena, delavan, delbene, delbuono, delfin, delfina, delfine, delfino, dellapenna, delphian, delphina, delphine, delpino, delvin