episode vs occurrent

episode and occurrent both are nouns.

Word	Noun	Adjective	Verb	Adverb
episode	Yes	No	No	No
occurrent	Yes	Yes	No	No

As nouns, occurrent is a hypernym of episode; that is, occurrent is a word with a broader meaning than episode:

Other hypernyms of episode include happening, natural event, occurrence.

episode (noun)	occurrent (noun)
film consisting of a succession of related shots that develop a given subject in a movie	an event that happens
a part of a broadcast serial
a brief section of a literary or dramatic work that forms part of a connected series
a happening that is distinctive in a series of related events

episode (adjective)	occurrent (adjective)
	presently occurring (either causally or incidentally)