didacticism vs communication

didacticism and communication both are nouns.

Word	Noun	Adjective	Verb	Adverb
didacticism	Yes	No	No	No
communication	Yes	No	No	No

As nouns, communication is a hypernym of didacticism; that is, communication is a word with a broader meaning than didacticism:

didacticism: communication that is suitable for or intended to be instructive
communication: something that is communicated by or to or between people or groups

didacticism (noun)	communication (noun)
communication that is suitable for or intended to be instructive	something that is communicated by or to or between people or groups
	the activity of communicating; the activity of conveying information
	a connection allowing access between persons or places