team teaching vs teaching

team teaching and teaching both are nouns.

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

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

team teaching: a method of coordinated classroom teaching involving a team of teachers working together with a single group of students
teaching: the activities of educating or instructing; activities that impart knowledge or skill

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

team teaching (noun)	teaching (noun)
a method of coordinated classroom teaching involving a team of teachers working together with a single group of students	the profession of a teacher
	the activities of educating or instructing; activities that impart knowledge or skill
	a doctrine that is taught