digressive vs digress

digressive is an adjective but digress is not an adjective.

Word	Noun	Adjective	Verb	Adverb
digressive	No	Yes	No	No
digress	No	No	Yes	No

digressive (adjective)	digress (adjective)
(of e.g. speech and writing) tending to depart from the main point or cover a wide range of subjects
of superficial relevance if any

digressive (verb)	digress (verb)
	lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking
	wander from a direct or straight course