di·a·crit·ic 
/ˌdajəˈkrɪtɪk/ noun
plural di·a·crit·ics /ˌdajəˈkrɪtɪk/ noun [count] technical : a mark that is placed over, under, or through a letter in some languages to show that the letter should be pronounced in a particular way
▪ Two diacritics appear in the word “déjà vu.”
▪ Two diacritics appear in the word “déjà vu.”
