Adverbs ending in -YFor adjectives that end in -y, we remove the -y and add -ily:
crazy - crazily
happy - happily
Adverbs ending in -LE
For adjectives that end in a consonant + le we remove the -e and add -y:
terrible - terribly
horrible - horribly
noble - nobly
idle - idly
Adverbs ending in -IC
If the adjective ends in -ic, we add -ally:
ironic - ironically
enthusiastic - enthusiastically
realistic - realistically
Except: public - publicly
Irregular Adverbs
Some adverbs are irregular: