have to do with vs pertain

have to do with and pertain both are verbs.

Word	Noun	Adjective	Verb	Adverb
have to do with	No	No	Yes	No
pertain	No	No	Yes	No

As verbs, have to do with and pertain are synonyms defined as:

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

have to do with (verb)	pertain (verb)
be relevant to	be a part or attribute of
	be relevant to