mightily vs intensive

mightily is not a noun while intensive is a noun.

Word	Noun	Adjective	Verb	Adverb
mightily	No	No	No	Yes
intensive	Yes	Yes	No	No

mightily (noun)	intensive (noun)
	a modifier that has little meaning except to intensify the meaning it modifies

mightily (adjective)	intensive (adjective)
	of agriculture; intended to increase productivity of a fixed area by expending more capital and labor
	tending to give force or emphasis
	characterized by a high degree or intensity; often used as a combining form

mightily (adverb)	intensive (adverb)
(Southern regional intensive) very; to a great degree
powerfully or vigorously