pedagogy vs educational activity

pedagogy and educational activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
pedagogy	Yes	No	No	No
educational activity	Yes	No	No	No

As nouns, pedagogy and educational activity are synonyms defined as:

pedagogy and educational activity: the activities of educating or instructing; activities that impart knowledge or skill

Other synonyms of pedagogy include didactics, education, instruction, teaching.

pedagogy (noun)	educational activity (noun)
the profession of a teacher	the activities of educating or instructing; activities that impart knowledge or skill
the activities of educating or instructing; activities that impart knowledge or skill
the principles and methods of instruction