lesson vs example

lesson and example both are nouns.

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

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

lesson: a task assigned for individual study
example: a task performed or problem solved in order to develop skill or understanding

Other hyponyms of lesson include exercise, reading assignment, history lesson.

As nouns, lesson and example are synonyms defined as:

Other synonyms of lesson include deterrent example, object lesson.

lesson (noun)	example (noun)
a task assigned for individual study	a task performed or problem solved in order to develop skill or understanding
a unit of instruction	an item of information that is typical of a class or group
punishment intended as a warning to others	something to be imitated
the significance of a story or event	a representative form or pattern
	punishment intended as a warning to others
	an occurrence of something