Natlang Uses of Double Acute Accent

The double acute accent (also known as Hungarumlaut) originates from Hungarian orthography. Őő and Űű were introduced to the Hungarian alphabet in the 19^th century to replace earlier Ö́ö́ and Ǘǘ.[1]

Double Acute Accent in Unicode

Precomposed Letters with Double Acute Accent

˝	˶	◌̋	Ő	ő	Ű	ű
U+02DD	U+02F6	U+030B	U+0150	U+0151	U+0170	U+0171
Double Acute Accent	Modifier Letter Middle Double Acute Accent ​	Combining Double Acute Accent	Latin Capital Letter O With Double Acute	Latin Small Letter O With Double Acute	Latin Capital Letter U With Double Acute	Latin Small Letter U With Double Acute
Note: May be confused with Modifier Letter Double Prime, ʺ (U+02BA); Modifier Letter Double Apostrophe, ˮ (U+02EE); Left Double Quotation Mark, “ (U+201C); Right Double Quotation Mark, ” (U+201D); or Double Prime, ″ (U+2033).

Natlang Examples

Uses of Double Acute Accent

Usage	Language	Letters	Notes
Long front version of back vowel	Hungarian	Őő /øː/, Űű /yː/