pertain vs apply

pertain and apply both are verbs.

Word	Noun	Adjective	Verb	Adverb
pertain	No	No	Yes	No
apply	No	No	Yes	No

As verbs, apply is a hyponym of pertain; that is, apply is a word with a more specific, narrower meaning than pertain:

pertain (verb)	apply (verb)
be a part or attribute of	ask (for something)
be relevant to	refer (a word or name) to a person or thing
	put into service; make work or employ for a particular purpose or for its inherent or natural purpose
	coat, cover or smear a surface with
	give or convey physically
	avail oneself to
	ensure observance of laws and rules
	apply oneself to
	be pertinent or relevant or applicable
	be applicable to; as to an analysis