Seneff rhymes with:
greenough, macdonough, aleph, bailiff, banzhaf, bischof, blickenstaff, boruff, burggraf, calaf, caliph, carkhuff, dandruff, degraff, dejoseph, galef, greenough, imhof, josef, joseph, jozef, kerchief, khalaf, kilduff, kristof, landgraf, macdonough, margraf, markgraf, mastif, mastiff, mcauliff, mcauliffe, mehlhaff, mischief, plaintiff, pontiff, ratzlaff, retzlaff, sheriff, tariff, tetzlaff, updegraff, woodruff, yosef
Seneff sounds like:
samba, sambo, samp, sampey, sanofi, schamp, schempf, schempp, schimpf, schnapp, schnepf, schnepp, schoenhof, seekamp, senf, senff, shambo, shamp, shampoo, sheshunoff, shimp, signify, simba, skimp, skimpy, smaby, smeby, snafu, snap, snape, snapp, snappy, sniff, sniffy, snip, snipe, snob, snobby, snoop, snoopy, snub, snuff, socanav, sosnoff, succumb, sump, sunobe, sunup, swamp, swampy