psilosis vs activity

psilosis and activity both are nouns.

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

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

Other hypernyms of psilosis include bodily function, bodily process, body process, epilation.

psilosis (noun)	activity (noun)
falling out of hair	any specific behavior
a chronic disorder that occurs in tropical and non-tropical forms and in both children and adults; nutrients are not absorbed; symptoms include foul-smelling diarrhea and emaciation	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