Grenoble rhymes with:
chernobyl, ennoble, ignoble, knobel, knoble, knoebel, noble, chernobyl, coble, doble, ennoble, fobel, global, gobel, goble, goebel, ignoble, immobile, knobel, knoble, knoebel, kobel, koble, koebel, lobel, mobil, mobile, noble, robel, roble, schauble, schobel, sobel, sobil, soble, sobol, strobel, stroble, stroebel, vontobel, wrobel, zobel
Grenoble sounds like:
gorenflo, granville, greenfell, greenvale, greenville, grenfell, grumble, guerneville