intrusiveness vs intrusive

intrusiveness is a noun but intrusive is not a noun.

Word	Noun	Adjective	Verb	Adverb
intrusiveness	Yes	No	No	No
intrusive	No	Yes	No	No

intrusiveness (noun)	intrusive (noun)
aggressiveness as evidenced by intruding; by advancing yourself or your ideas without invitation

intrusiveness (adjective)	intrusive (adjective)
	tending to intrude (especially upon privacy)
	thrusting inward
	of rock material; forced while molten into cracks between layers of other rock