Allen rhymes with:
alan, allan, ballon, callan, callen, dalen, fallon, gallon, luallen, mallon, malon, mccallon, o'fallon, ofallon, palen, phalen, scallan, scallon, tallon, talon, vandalen
Allen sounds like:
ahlen, ahlin, ahlman, aileen, alaimo, alain, alaine, alam, alamein, alamo, alan, alana, alane, alann, alanna, alayne, aleen, alem, aleman, alena, alene, alenia, alewine, aliano, alien, alihan, alima, alimony, alina, aline, allain, allan, alleman, allene, alleyne, allin, allman, allmon, allum, allyn, alm, alma, alman, almay, almo, almon, almy, alon, alone, aloni, alum, alumina, aluminio, aluminium, aluminum, alumna, alumnae, alumni, alun, alwin, alwine, alwyn, aulana, aylwin