pay heed vs attend

pay heed and attend both are verbs.

Word	Noun	Adjective	Verb	Adverb
pay heed	No	No	Yes	No
attend	No	No	Yes	No

As verbs, pay heed and attend are synonyms defined as:

Other synonyms of pay heed include advert, give ear, hang.

pay heed (verb)	attend (verb)
give heed (to)	give heed (to)
	work for, or be a servant to
	take charge of or deal with
	be present at (meetings, church services, university), etc.
	to accompany as a circumstance or follow as a result