punctuate vs accentuate

punctuate and accentuate both are verbs.

Word	Noun	Adjective	Verb	Adverb
punctuate	No	No	Yes	No
accentuate	No	No	Yes	No

As verbs, punctuate and accentuate are synonyms defined as:

Other synonyms of punctuate include accent, emphasise, emphasize, stress.

punctuate (verb)	accentuate (verb)
insert punctuation marks into	to stress, single out as important
interrupt periodically	put stress on; utter with an accent
to stress, single out as important