digression vs journey

digression and journey both are nouns.

Word	Noun	Adjective	Verb	Adverb
digression	Yes	No	No	No
journey	Yes	No	Yes	No

As nouns, journey is a hypernym of digression; that is, journey is a word with a broader meaning than digression:

Other hypernyms of digression include journeying.

digression (noun)	journey (noun)
a turning aside (of your course or attention or concern)	the act of traveling from one place to another
wandering from the main path of a journey
a message that departs from the main subject

digression (verb)	journey (verb)
	undertake a journey or trip
	travel upon or across