Recent Examples on the WebThe diacritical marks help readers distinguish between words that would otherwise look identical.Los Angeles Times, 20 May 2021 Both systems can be supplemented with diacritical marks that modify pronunciation and meaning.The Economist, 3 Oct. 2019
Word History
Etymology
Greek diakritikos separative, from diakrinein to distinguish, from dia- + krinein to separate — more at certain