re-emphasize vs stress

re-emphasize is not a noun while stress is a noun.

Word	Noun	Adjective	Verb	Adverb
re-emphasize	No	No	Yes	No
stress	Yes	No	Yes	No

As verbs, stress is a hypernym of re-emphasize; that is, stress is a word with a broader meaning than re-emphasize:

Other hypernyms of re-emphasize include accent, accentuate, emphasise, emphasize, punctuate.

re-emphasize (noun)	stress (noun)
	the relative prominence of a syllable or musical note (especially with regard to stress or pitch)
	(physics) force that produces strain on a physical body
	(psychology) a state of mental or emotional strain or suspense
	difficulty that causes worry or emotional tension
	special emphasis attached to something

re-emphasize (verb)	stress (verb)
emphasize anew	to suffer from stress
	to stress, single out as important
	put stress on; utter with an accent
	test the limits of