coeducation vs teaching

coeducation and teaching both are nouns.

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

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

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

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

coeducation (noun)	teaching (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
	a doctrine that is taught