In the word "falling", both "fall" and "-ing" are considered

The word falling and having it to divide from ‘fall’ and ‘-ing’ are considered that they are morphemes. A morphenes is a grammatical unit which is small in language in which these languages can’t be divided as fall and –ing can’t be divided for it does not produce any meaning if it did.

i honestly have no idea

answer; you are making a normative argument and i am making a positive argument;