Elser rhymes with:
belser, helser, selsor, smelcer, smelser, welser, balcer, balser, belser, bolser, helser, overholser, pulsar, salser, selsor, smelcer, smelser, sulcer, sulser, ulcer, welser
Elser sounds like:
elcor, eleazer, elgar, elger, elicker, elixir, eljer, ellisor, elsasser, elsesser, elsewhere