Similar looking variables

This is the list of similar looking variables, found across the application. They might be confused one with the other.

One _ : the difference in the name is only _ (underscore); Case : the difference in the name is only the case; One letter : the difference in the name is only one letter;One digit : the difference in the name is only one digit;Partial inversion : the variable name may be broken in two pieces, which were inverted;