re-emphasise vs accentuate

re-emphasise and accentuate both are verbs.

Word	Noun	Adjective	Verb	Adverb
re-emphasise	No	No	Yes	No
accentuate	No	No	Yes	No

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

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

re-emphasise (verb)	accentuate (verb)
emphasize anew	to stress, single out as important
	put stress on; utter with an accent