Zinnia rhymes with:
linnea, pollinia, prolinea, wynia, adonia, albania, albinia, alenia, amazonia, anania, ansonia, antonia, apnea, armenia, bania, bernia, bosnia, britannia, brittania, caledonia, chechnya, colonia, compania, cornea, cornia, cwiertnia, cydonia, diaphonia, donia, dromomania, enea, ennea, eridania, erminia, estonia, eugenia, gastonia, germania, gonia, gunia, hafnia, harmonia, herminia, hernia, hibernia, honea, idonia, insignia, insomnia, junia, kuznia, latonia, linnea, lithuania, lusitania, macedonia, madonia, mania, mauritania, megalomania, millennia, nania, nathania, neurasthenia, new-caledonia, oceania, omonia, papania, parthenia, patagonia, petronia, petunia, philharmonia, pollinia, pomerania, prolinea, rania, robinia, romania, rondonia, rumania, ruritania, sardinia, scania, schizophrenia, sidonia, sinfonia, slavonia, slovenia, slovonia, sophronia, stephania, sunia, sylvania, tanzania, tasmania, theophania, tonia, transylvania, vaccinia, vania, vernonia, vidonia, wynia, xenia, zenia, zinia
Zinnia sounds like:
zaccagnini, zaccagnino, zaccone, zachman, zachmann, zahm, zahn, zahnow, zaino, zaman, zan, zane, zani, zanni, zanoni, zanoyan, zanu, zany, zaun, zechman, zeeman, zeien, zeman, zemin, zen, zena, zenia, zenina, zenna, zeno, zenon, zeyno, zhan, zhenyu, ziehm, zieman, ziemann, ziemian, zigman, zim, zima, zimny, zine, zinia, zinman, zinn, zinni, zinno, zion, zisson, zon, zona, zone, zoom, zosen, zucchini, zukin, zummo, zuni, zunino, zuzana, zyman