Alphanumeric rhymes with:
numeric, numeric, tumeric, homeric, merrick, numeric, tumeric, atmospheric, burek, burich, carrick, cleric, derek, derick, derik, derrick, deryck, ehrich, eric, erich, erick, erik, esoteric, ferrick, garrick, generic, gerich, gericke, gerrick, herrick, homeric, hysteric, ionospheric, kerrick, merrick, mesenteric, numeric, sherick, sherrick, tumeric, varick, weyrich