Imm rhymes with:
alem, behm, bem, blehm, brehm, brem, cardizem, chem, clem, condemn, dehm, demme, em, emme, femme, fm, gehm, gem, gemme, hem, hemm, hemme, jem, kehm, kem, khem, klem, klemm, klemme, lem, lemm, m, m., mgm, p.m., pgm, phlegm, pm, ppm, prem, rehm, rem, remme, rhem, rpm, schemm, schwemm, stem, stemm, swem, temme, them
Imm sounds like:
i'm, iain, ian, ianni, iannone, ihnen, im, imai, imam, iman, immu, immune, immuno, imo, in, in., ina, inane, inhuman, inhumane, inman, inmon, inn, inno, inoue, inouye, iny, ion, iona, ione, iowan, iwan, iwen