exhortation vs communicating

exhortation and communicating both are nouns.

Word	Noun	Adjective	Verb	Adverb
exhortation	Yes	No	No	No
communicating	Yes	No	No	No

As nouns, communicating is a hypernym of exhortation; that is, communicating is a word with a broader meaning than exhortation:

exhortation: a communication intended to urge or persuade the recipients to take some action
communicating: the activity of communicating; the activity of conveying information

Other hypernyms of exhortation include communication.

exhortation (noun)	communicating (noun)
the act of exhorting; an earnest attempt at persuasion	the activity of communicating; the activity of conveying information
a communication intended to urge or persuade the recipients to take some action