episodic vs unpredictable

episodic and unpredictable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
episodic	No	Yes	No	No
unpredictable	No	Yes	No	No

episodic (adjective)	unpredictable (adjective)
of writing or narration; divided into or composed of episodes	not capable of being foretold
limited in duration to a single episode	unknown in advance
occurring or appearing at usually irregular intervals	not occurring at a regular rate or fixed intervals