stopple vs occlusion

stopple and occlusion both are nouns.

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

As nouns, occlusion is a hypernym of stopple; that is, occlusion is a word with a broader meaning than stopple:

Other hypernyms of stopple include block, blockage, closure, stop, stoppage.

stopple (noun)	occlusion (noun)
blockage consisting of an object designed to fill a hole tightly	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)

stopple (verb)	occlusion (verb)
close or secure with or as if with a stopper