most handsome.
Handsomest is already superlative. most handsome
most handsome
most handsome
handsomest
superlative handsome-most handsomecomparative handsome-more handsome
The comparative and superlative forms of handsome are more handsome and most handsome.
handsomer, handsomest
The superlative form of the word "genuine" is "most genuine."
more handsome and most handsome
more handsome, most handsome
As a two-syllable adjective ending in a consonant sound, it is uncommon to use a single word to refer to the comparitive and superlative - such as you would use the words "rich", "richer" and "richest". It is much more acceptable to use the words "handsome", "more handsome", and "most handsome", in this situation.
No, the superlative form is "gentlest."