Givhan rhymes with:
bahan, beahan, behan, bohan, bohon, cahan, cohan, crehan, duhon, forhan, friesenhahn, gahan, laubhan, lawhon, mahone, mcgahan, mcgeehan, mckeehan, mcmahan, mcmahen, mohon, mooneyhan, shahan, shehan, shehane, strahan, trahan, tuhan
Givhan sounds like:
gabon, gaffin, gaffney, gaufman, gauvain, gauvin, gavan, gaven, gavin, geffen, gibbon, gibboney, gibian, gibney, giboney, giffen, giffin, giovanni, giovannini, giovannoni, givan, given, givin', gobain, goben, gobin, goffin, goffman, goffney, govan, govoni, guffin