In. rhymes with:
adin, akin, allin, allphin, alpin, askin, aslin, astin, aswin, atkin, been, begin, berlin, bihn, bin, binn, blinn, boleyn, bongjin, brin, brinn, bryn, chagrin, chang-hsin, chin, chinh, chinn, din, dinh, eldwin, elkin, emlyn, eskin, fin, finn, finne, flinn, flynn, gin, ginn, glavine, glyn, glynn, grin, guin, guinn, gwin, gwinn, gwyn, gwynn, gwynne, gyn, herein, hinn, inn, itkin, jin, kaylynn, kihn, kin, kinn, kinne, kyoung-min, laminne, lin, linh, linn, linne, lwin, lyn, lynn, lynne, mcginn, mcglinn, mcglynn, mcguinn, mclin, mclinn, mcminn, mcquinn, mihn, min, minh, o'flynn, o'guinn, o'quinn, oflynn, oguinn, pin, pinn, prynne, qin, quin, quinn, rhin, rihn, rinn, rinne, schwinn, shin, shinn, sin, sinn, skin, spin, syn, therein, thin, tin, trinh, twin, vanryn, verduin, vin, violin, wherein, win, winn, winne, within, wynn, wynne, yalin, yan-bin, yin, zinn, zlin
In. sounds like:
i'm, iain, ian, ianni, iannone, ihnen, im, imai, imam, iman, imm, immu, immune, immuno, imo, in, ina, inane, inhuman, inhumane, inman, inmon, inn, inno, inoue, inouye, iny, ion, iona, ione, iowan, iwan, iwen