I will repeat the question till i get the answer.
that is not quite the etiquette is it?
however to compare 2 cells as you ask is a possible.
there you go
question answered
if you want a fuller answer give more examples of what you really want to achieve
how many characters would you want to find
would they always be missing from the same place
or anywhere in the word e.g pple,appe,appl, and so on