tuition vs instruction

tuition and instruction both are nouns.

Word	Noun	Adjective	Verb	Adverb
tuition	Yes	No	No	No
instruction	Yes	No	No	No

As nouns, instruction is a hypernym of tuition; that is, instruction is a word with a broader meaning than tuition:

Other hypernyms of tuition include pedagogy, teaching.

tuition (noun)	instruction (noun)
teaching pupils individually (usually by a tutor hired privately)	the profession of a teacher
a fee paid for instruction (especially for higher education)	the activities of educating or instructing; activities that impart knowledge or skill
	(computer science) a line of code written as part of a computer program
	a message describing how something is to be done