occlusive vs occlusion

occlusive and occlusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
occlusive	Yes	Yes	No	No
occlusion	Yes	No	No	No

occlusive (noun)	occlusion (noun)
a consonant produced by stopping the flow of air at some point and suddenly releasing it	the act of blocking
	an obstruction in a pipe or tube
	(dentistry) the normal spatial relation of the teeth when the jaws are closed
	(meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
	closure or blockage (as of a blood vessel)

occlusive (adjective)	occlusion (adjective)
tending to occlude