Incredible:
(Noun): incredibility
(Adverb): incredibly
(Verb): There is no verb form
Delightful:
(Noun): delight
(Adverb): delightfully
(Verb): delight
Funny:
(Noun): funny (plural noun): funnies
(Adverb): funnily
(Verb): fun
Serious:
(Noun): seriosity
(Adverb): seriously
(Verb): There is no verb form?
Original:
(Noun): original
(Adverb): originally
(Verb): originate
Creative:
(Noun): creative
(Adverb): creatively
(Verb): creativity
Sorry if there wrong but I hope this helps