instruction vs lesson

instruction and lesson both are nouns.

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

As nouns, lesson is a hyponym of instruction; that is, lesson is a word with a more specific, narrower meaning than instruction:

instruction (noun)	lesson (noun)
the profession of a teacher	a task assigned for individual study
the activities of educating or instructing; activities that impart knowledge or skill	a unit of instruction
(computer science) a line of code written as part of a computer program	punishment intended as a warning to others
a message describing how something is to be done	the significance of a story or event