Allingham rhymes with:
bellingham, billingham, burlingham, dillingham, fillingham, gillingham, willingham, bellingham, billingham, birmingham, buckingham, burlingham, burningham, cottingham, cunningham, dillingham, everingham, fillingham, framingham, frothingham, gillingham, landingham, laningham, leadingham, newingham, nottingham, rockingham, vallandingham, vanlandingham, vanlaningham, whittingham, willingham, winningham