occupation vs activity

occupation and activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
occupation	Yes	No	No	No
activity	Yes	No	No	No

As nouns, activity is a hypernym of occupation; that is, activity is a word with a broader meaning than occupation:

As nouns, activity is a hypernym of occupation; that is, activity is a word with a broader meaning than occupation:

occupation (noun)	activity (noun)
the principal activity in your life that you do to earn money	any specific behavior
the act of occupying or taking possession of a building	the trait of being active; moving or acting rapidly and energetically
the control of a country by military forces of a foreign power	an organic process that takes place in the body
any activity that occupies a person's attention	a process existing in or produced by nature (rather than by the intent of human beings)
the period of time during which a place or position or nation is occupied	the state of being active
	(chemistry) the capacity of a substance to take part in a chemical reaction