Iman rhymes with:
aiman, freiman, fryman, geiman, greiman, guymon, heiman, heimann, highman, hyman, hymen, kleiman, klieman, leiman, liman, lyman, nyman, reiman, reimann, ryman, scheiman, simon, steiman, timan, timon, twyman, weiman, weimann, wiman, wyman, zyman
Iman sounds like:
i'm, iain, ian, ianni, iannone, ihnen, im, imai, imam, imm, immu, immune, immuno, imo, in, in., ina, inane, inhuman, inhumane, inman, inmon, inn, inno, inoue, inouye, iny, ion, iona, ione, iowan, iwan, iwen