activity vs trait

activity and trait both are nouns.

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

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

activity: the trait of being active; moving or acting rapidly and energetically
trait: a distinguishing feature of your personal nature

activity (noun)	trait (noun)
any specific behavior	a distinguishing feature of your personal nature
the trait of being active; moving or acting rapidly and energetically
an organic process that takes place in the body
a process existing in or produced by nature (rather than by the intent of human beings)
the state of being active
(chemistry) the capacity of a substance to take part in a chemical reaction