revolve around vs pertain

revolve around and pertain both are verbs.

Word	Noun	Adjective	Verb	Adverb
revolve around	No	No	Yes	No
pertain	No	No	Yes	No

As verbs, pertain is a hypernym of revolve around; that is, pertain is a word with a broader meaning than revolve around:

Other hypernyms of revolve around include bear on, come to, concern, have to do with, refer, relate, touch, touch on.

revolve around (verb)	pertain (verb)
move around in a circular motion	be a part or attribute of
center upon	be relevant to