Comparative and superlative degrees:
I prefer thrillers because the scripts are always more interesting / most interesting than romances.
This song is the most successful / more successful song ever.
My cousin likes classical music because it’s most relaxing / more relaxing than rock music.
Olga knows mathematics best / better in her class.
To reach the village you should go far / farther.
Tom is my closer / closest friend.
To make the matters worst / worse, I broke my mom’s favourite vase.