stress vs accentuate

stress is a noun but accentuate is not a noun.

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

As verbs, stress and accentuate are synonyms defined as:

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

As verbs, stress and accentuate are synonyms defined as:

Other synonyms of stress include accent.

stress (noun)	accentuate (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

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