Andonian rhymes with:
caledonian, amazonian, apollonian, babylonian, bostonian, caledonian, devonian, draconian, estonian, gorgonian, houstonian, jacksonian, jeffersonian, melkonian, newtonian, oregonian, patagonian, plutonian, simonian, smithsonian, usoniam, washingtonian
Andonian sounds like:
amadon, amandime, amidon, ammunition, anathema, anatomy, andean, andino, animation, annotation, antenna, antennae, antenne, anthem, anthon, anthony, antoine, anton, antone, antoni, antonia, antonin, antonini, antonio, antoniou, antoniu, antony, antoon, antuna, antwine, anytime