I wonder how much pronunciation affects the results. Given their questions: Which brand of laptop seems bigger, Detal or Dutal? Which brand of vacuum c

I wonder how much pronunciation affects the results. Given their questions: Which brand of laptop seems bigger, Detal or Dutal? Which brand of vacuum cleaner seems heavier, Keffi or Kuffi? Which brand of ketchup seems thicker, Nellen or Nullen? In British English I only chose the 'u' for the second question (the first by association - Detal = metal). How would US Americans pronounce these?