wonderful vs howling

wonderful is not a noun while howling is a noun.

Word	Noun	Adjective	Verb	Adverb
wonderful	No	Yes	No	No
howling	Yes	Yes	No	No

As adjectives, wonderful and howling are synonyms defined as:

wonderful and howling: extraordinarily good or great; used especially as intensifiers

Other synonyms of wonderful include fantastic, grand, marvellous, marvelous, phenomenal, rattling, terrific, tremendous, wondrous.

wonderful (noun)	howling (noun)
	a long loud emotional utterance

wonderful (adjective)	howling (adjective)
extraordinarily good or great; used especially as intensifiers	extraordinarily good or great; used especially as intensifiers