Guertin rhymes with:
cortine, fourteen, martine, augustin, canteen, cantin, casteen, chasteen, chretien, christine, cortine, eighteen, fifteen, foltene, fourteen, gelatine, justine, kristine, lopatin, martine, muntean, nineteen, o'steen, preteen, routine, seventeen, shasteen, sistine, sixteen, steen, stene, teen, thirteen, umpteen, valentin
Guertin sounds like:
garden, gardena, gardenia, gardin, gardini, garduno, gardyne, garritano, garten, gartin, gartman, garton, gerdeman, giardina, giardini, giardino, giarratano, giordani, giordano, girardin, girten, girtman, girton, gordan, gordana, gorden, gordian, gordin, gordon, gortney, gorton, gourdine, gradation, graden, gradney, graduation, grattan, gratton, graydon, greetham, gretna, gritton, groden, grodin, groton, grutman, guardian, guardin, guardino, gwartney, gyration, gyrodyne