Punctuation to Stress Certain Letters

This page is the CodyCross answer for the clue below from Sports, Group 157, Puzzle 4 (Olympic Fencing).

Question is: Punctuation to Stress Certain Letters

and the answer is: ACCENT

Word Meaning:

ACCENT — (linguistics) A higher-pitched or stronger (louder or longer) articulation of a particular syllable of a word or phrase in order to distinguish it from the others or to emphasize it.

Definitions from Wiktionary.