clog vs occlude

clog is a noun but occlude is not a noun.

Word	Noun	Adjective	Verb	Adverb
clog	Yes	No	Yes	No
occlude	No	No	Yes	No

As verbs, occlude is a hypernym of clog; that is, occlude is a word with a broader meaning than clog:

Other hypernyms of clog include block, close up, impede, jam, obstruct, obturate.

clog (noun)	occlude (noun)
a dance performed while wearing shoes with wooden soles; has heavy stamping steps
any object that acts as a hindrance or obstruction
footwear usually with wooden soles

clog (verb)	occlude (verb)
impede with a clog or as if with a clog	block passage through
fill to excess so that function is impaired
coalesce or unite in a mass
become or cause to become obstructed
impede the motion of, as with a chain or a burden
dance a clog dance