Crossword Genius

Stress that is a c-coin (6)

Ross

I believe the answer is:

accent

'stress' is the definition.
(synonyms)

'a c-coin' is the wordplay.
'c-coin' becomes 'ccent' ('cent' said with a stutter like 'coin' was; cent is a kind of coin).
'a'+'ccent'='ACCENT'

'that is' acts as a link.

(Other definitions for accent that I've seen before include "Emphasis; mark on a letter" , "Underline" , "eg Acute" , "Special emphasis" , "Mark over a vowel, perhaps" .)

I've seen this clue in the Evening Standard.
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