Allentown rhymes with:
germantown, morgantown, beantown, germantown, morgantown, adamstown, baytown, beantown, beardstown, boomtown, bridgetown, cape-town, capetown, charlestown, charlottetown, chinatown, cooperstown, crosstown, downingtown, elizabethtown, foodtown, freetown, georgetown, germantown, hagerstown, hometown, jamestown, johnstown, koreatown, levittown, lordstown, marshalltown, middletown, midtown, moorestown, morgantown, morristown, motown, newtown, newtowne, provincetown, sandtown, shantytown, shiremanstown, smalltown, smithtown, stanleytown, tarrytown, tinseltown, watertown, williamstown, yorktown, youngstown
Allentown sounds like:
alamodome, alienation, allenton, almadani, almaden