That has diacritical marks added

present participle of diacritize

(orthography, typography) A symbol in writing used with a letter to indicate a different pronunciation, stress, tone, or meaning, also called "tone marks" when used to indicate tones, e.g. in Vietnamese or pinyin (romanised Mandarin Chinese).

plural of diacritical mark

plural of diacritical hook

An ogonek (˛). / A retroflex hook (̢). / A cedilla (¸). / other similar diacritics

Written with diacritics.

Without diacritics; accentless.