EntityQ514198· pop 19· linked from 145 articlessmooth breathingSign in to savediacritical marks used in polytonic Greek, Coptic, and old Cyrillic orthographiesConnectionsAncient GreekEntityQ684050EntityLatinEntityGreekEntityInternational Phonetic AlphabetEntityPeter the GreatEntityInternational Standard Book NumberEntityvowelEntityUnicodeEntitydigital object identifierEntityfull stopEntitycommaEntityΗEntityOld Church SlavonicEntityΡEntityΥEntityOxford English DictionaryEntitypunctuationEntitydiphthongEntityapostropheEntityCategoriesAncient GreekCyrillic-script diacriticsGreek-script diacritics