coeducation vs pedagogy

coeducation and pedagogy both are nouns.

Word	Noun	Adjective	Verb	Adverb
coeducation	Yes	No	No	No
pedagogy	Yes	No	No	No

As nouns, pedagogy is a hypernym of coeducation; that is, pedagogy is a word with a broader meaning than coeducation:

coeducation: education of men and women in the same institutions
pedagogy: the activities of educating or instructing; activities that impart knowledge or skill

Other hypernyms of coeducation include didactics, education, educational activity, instruction, teaching.

coeducation (noun)	pedagogy (noun)
education of men and women in the same institutions	the profession of a teacher
	the activities of educating or instructing; activities that impart knowledge or skill
	the principles and methods of instruction