course of study vs didactics

course of study and didactics both are nouns.

Word	Noun	Adjective	Verb	Adverb
course of study	Yes	No	No	No
didactics	Yes	No	No	No

As nouns, didactics is a hypernym of course of study; that is, didactics is a word with a broader meaning than course of study:

course of study: education imparted in a series of lessons or meetings
didactics: the activities of educating or instructing; activities that impart knowledge or skill

Other hypernyms of course of study include education, educational activity, instruction, pedagogy, teaching.

course of study (noun)	didactics (noun)
education imparted in a series of lessons or meetings	the activities of educating or instructing; activities that impart knowledge or skill
an integrated course of academic studies