class vs lesson

class and lesson both are nouns.

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

class (noun)	lesson (noun)
education imparted in a series of lessons or meetings	a task assigned for individual study
elegance in dress or behavior	a unit of instruction
a collection of things sharing a common attribute	punishment intended as a warning to others
people having the same social, economic, or educational status	the significance of a story or event
(biology) a taxonomic group containing one or more orders
a body of students who are taught together
a body of students who graduate together
a league ranked by quality

class (verb)	lesson (verb)
arrange or order by classes or categories