shadowing vs following

shadowing and following both are nouns.

Word	Noun	Adjective	Verb	Adverb
shadowing	Yes	No	No	No
following	Yes	Yes	No	No

As nouns, following is a hypernym of shadowing; that is, following is a word with a broader meaning than shadowing:

Other hypernyms of shadowing include chase, pursual, pursuit.

shadowing (noun)	following (noun)
the act of following someone secretly	the act of pursuing in an effort to overtake or capture
	a group of followers or enthusiasts

shadowing (adjective)	following (adjective)
	going or proceeding or coming after in the same direction
	in the desired direction
	about to be mentioned or specified
	immediately following in time or order