occlusion vs stopple

occlusion and stopple both are nouns.

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

As nouns, stopple is a hyponym of occlusion; that is, stopple is a word with a more specific, narrower meaning than occlusion:

Other hyponyms of occlusion include breech closer, breechblock, plug, stopper, vapor lock, vapour lock.

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

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