Comparative Adjectives look at two things. Superlative Adjectives words look at more than two things
Usually, Adjectives words that contain just a single syllable or end in "y" utilize "er" to shape comparatives and "est" to frame superlatives. For Adjectives words finishing in y, change the "y" to "i" before including the "er" or 'est'.
old – older – oldest
young – younger – youngest
pretty – prettier – prettiest
long – longer – longest
short...