pleasure vs activity

pleasure and activity both are nouns.

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

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

pleasure (noun)	activity (noun)
sexual gratification	any specific behavior
an activity that affords enjoyment	the trait of being active; moving or acting rapidly and energetically
something or someone that provides a source of happiness	an organic process that takes place in the body
a formal expression	a process existing in or produced by nature (rather than by the intent of human beings)
a fundamental feeling that is hard to define but that people desire to experience	the state of being active
	(chemistry) the capacity of a substance to take part in a chemical reaction