Melkonian rhymes with:
draconian, amazonian, andonian, apollonian, babylonian, bostonian, caledonian, devonian, draconian, estonian, gorgonian, houstonian, jacksonian, jeffersonian, newtonian, oregonian, patagonian, plutonian, simonian, smithsonian, usoniam, washingtonian
Melkonian sounds like:
mailson, malaysian, malcom, malign, malkin, mallison, malsom, malson, maluken, malzahn, melican, melikian, melson, melugin, milken, milkman, milleson, millican, millicom, milligan, millikan, milliken, millikin, milson, minimalism, molaison, molchan, mollison, molson, molzahn, mullican, mulligan, mulliken, mullikin, mulqueen