hypnopedia vs teaching

hypnopedia and teaching both are nouns.

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

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

hypnopedia: teaching during sleep (as by using recordings to teach a foreign language to someone who is asleep)
teaching: the profession of a teacher

Other hypernyms of hypnopedia include instruction, pedagogy.

hypnopedia (noun)	teaching (noun)
teaching during sleep (as by using recordings to teach a foreign language to someone who is asleep)	the profession of a teacher
	the activities of educating or instructing; activities that impart knowledge or skill
	a doctrine that is taught