badly vs combining form

badly is not a noun while combining form is a noun.

Word	Noun	Adjective	Verb	Adverb
badly	No	No	No	Yes
combining form	Yes	No	No	No

badly (noun)	combining form (noun)
	a bound form used only in compounds

badly (adverb)	combining form (adverb)
(`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well
to a severe or serious degree
very much; strongly
with great intensity (`bad' is a nonstandard variant for `badly')
in a disobedient or naughty way
evilly or wickedly
unfavorably or with disapproval
with unusual distress or resentment or regret or emotional display
in a disadvantageous way; to someone's disadvantage
without skill or in a displeasing manner