greater    the greatest

less( more) interesting      the least (most) interesting

finer    the finest

 less ( more) comfortable    the least (most) comfortable

more     the most 

less(more) fantastic       the least(most) fantastic

happier     the happieest

more (less) famous       the least(most) famous

   Это точно правильно. 

greater    the greatest

less( more) interesting      the least (most) interesting

finer    the finest

 less ( more) comfortable    the least (most) comfortable

more     the most 

less(more) fantastic       the least(most) fantastic

happier     the happieest

more (less) famous       the least(most) famous
томоему так