Combining Diacritical Marks

Ordinary diacritics

0300 ◌̀ Combining Grave Accent
  =Greek varia
  •Pinyin: marks Mandarin Chinese fourth tone
  →0060 ` grave accent
  →02CB ˋ modifier letter grave accent
0301 ◌́ Combining Acute Accent
  =stress mark
  =Greek oxia, tonos
  •Pinyin: marks Mandarin Chinese second tone
  →0027 ' apostrophe
  →00B4 ´ acute accent
  →02B9 ʹ modifier letter prime
  →02CA ˊ modifier letter acute accent
  →0384 ΄ greek tonos
0302 ◌̂ Combining Circumflex Accent
  =hat
  →005E ^ circumflex accent
  →02C6 ˆ modifier letter circumflex accent
0303 ◌̃ Combining Tilde
  •IPA: nasalization
  •Vietnamese tone mark
  →007E ~ tilde
  →02DC ˜ small tilde
0304 ◌̄ Combining Macron
  =long
  •Pinyin: marks Mandarin Chinese first tone
  •distinguish from the following
  →00AF ¯ macron
  →02C9 ˉ modifier letter macron
0305 ◌̅ Combining Overline
  =overscore, vinculum
  •connects on left and right
  →00AF ¯ macron
0306 ◌̆ Combining Breve
  =short
  =Greek vrachy
  →02D8 ˘ breve
  →A67C ◌꙼ combining cyrillic kavyka
0307 ◌̇ Combining Dot Above
  =derivative (Newtonian notation)
  •IPA (withdrawn in 1976): palatalization
  →02D9 ˙ dot above
0308 ◌̈ Combining Diaeresis
  =double dot above, umlaut
  =Greek dialytika
  =double derivative
  →00A8 ¨ diaeresis
0309 ◌̉ Combining Hook Above
  =hoi
  •kerns left or right of circumflex over vowels
  •Vietnamese tone mark
  →02C0 ˀ modifier letter glottal stop
030A ◌̊ Combining Ring Above
  →00B0 ° degree sign
  →02DA ˚ ring above
030B ◌̋ Combining Double Acute Accent
  •Hungarian, Chuvash
  →0022 " quotation mark
  →02BA ʺ modifier letter double prime
  →02DD ˝ double acute accent
030C ◌̌ Combining Caron
  =hacek, V above
  •Pinyin: marks Mandarin Chinese third tone
  →02C7 ˇ caron
030D ◌̍ Combining Vertical Line Above
  •this is not the Greek tonos
  •Marshallese
  →02C8 ˈ modifier letter vertical line
030E ◌̎ Combining Double Vertical Line Above
  •Marshallese
  →0022 " quotation mark
030F ◌̏ Combining Double Grave Accent
  •Serbian and Croatian phonetics
0310 ◌̐ Combining Candrabindu
  →0901 ◌ँ devanagari sign candrabindu
0311 ◌̑ Combining Inverted Breve
  →0484 ◌҄ combining cyrillic palatalization
  →0487 ◌҇ combining cyrillic pokrytie
0312 ◌̒ Combining Turned Comma Above
  =cedilla above
  •Latvian (but not used in decomposition)
  →02BB ʻ modifier letter turned comma
0313 ◌̓ Combining Comma Above
  =Greek psili, smooth breathing mark
  •Americanist: ejective or glottalization
  →02BC ʼ modifier letter apostrophe
  →0486 ◌҆ combining cyrillic psili pneumata
  →055A ՚ armenian apostrophe
0314 ◌̔ Combining Reversed Comma Above
  =Greek dasia, rough breathing mark
  →02BD ʽ modifier letter reversed comma
  →0485 ◌҅ combining cyrillic dasia pneumata
  →0559 ՙ armenian modifier letter left half ring
0315 ◌̕ Combining Comma Above Right
  →02BC ʼ modifier letter apostrophe
0316 ◌̖ Combining Grave Accent Below
0317 ◌̗ Combining Acute Accent Below
0318 ◌̘ Combining Left Tack Below
  →AB6A ꭪ modifier letter left tack
0319 ◌̙ Combining Right Tack Below
  →AB6B ꭫ modifier letter right tack
031A ◌̚ Combining Left Angle Above
  •IPA: unreleased stop
031B ◌̛ Combining Horn
  •Vietnamese
031C ◌̜ Combining Left Half Ring Below
  •IPA: open variety of vowel
  →02D5 ˕ modifier letter down tack
031D ◌̝ Combining Up Tack Below
  •IPA: vowel raising or closing
  →02D4 ˔ modifier letter up tack
031E ◌̞ Combining Down Tack Below
  •IPA: vowel lowering or opening
  →02D5 ˕ modifier letter down tack
031F ◌̟ Combining Plus Sign Below
  •IPA: advanced or fronted articulation
  →02D6 ˖ modifier letter plus sign
  →1AC8 ◌᫈ combining plus sign above
0320 ◌̠ Combining Minus Sign Below
  •IPA: retracted or backed articulation
  •glyph may have small end-serifs
  →02D7 ˗ modifier letter minus sign
0321 ◌̡ Combining Palatalized Hook Below
  •IPA: palatalization
  →02B2 ʲ modifier letter small j
0322 ◌̢ Combining Retroflex Hook Below
  •IPA: retroflexion
0323 ◌̣ Combining Dot Below
  =nang
  •IPA: closer variety of vowel
  •Americanist and Indo-Europeanist: retraction or retroflexion
  •Semiticist: velarization or pharyngealization
  •Vietnamese tone mark
  →02D4 ˔ modifier letter up tack
0324 ◌̤ Combining Diaeresis Below
  •IPA: breathy-voice or murmur
  →02B1 ʱ modifier letter small h with hook
0325 ◌̥ Combining Ring Below
  •IPA: voiceless
  •vocalic (in Latin transliteration of Indic sonorants)
  •Madurese
  →02F3 ˳ modifier letter low ring
0326 ◌̦ Combining Comma Below
  •Romanian, Latvian, Livonian
0327 ◌̧ Combining Cedilla
  •French, Turkish, Azerbaijani
  →00B8 ¸ cedilla
0328 ◌̨ Combining Ogonek
  =nasal hook
  •Americanist: nasalization
  •Polish, Lithuanian
  →02DB ˛ ogonek
  →1AB7 ◌᪷ combining open mark below
0329 ◌̩ Combining Vertical Line Below
  •IPA: syllabic
  •Yoruba
  •German dialectology
  •may attach or not; shape may vary by local preferences
  →02CC ˌ modifier letter low vertical line
032A ◌̪ Combining Bridge Below
  •IPA: dental
032B ◌̫ Combining Inverted Double Arch Below
  •IPA: labialization
  →02B7 ʷ modifier letter small w
  →1AC7 ◌᫇ combining inverted double arch above
032C ◌̬ Combining Caron Below
  •IPA: voiced
032D ◌̭ Combining Circumflex Accent Below
  •Americanist: fronted articulation
032E ◌̮ Combining Breve Below
  •Hittite transcription
032F ◌̯ Combining Inverted Breve Below
  •Americanist: fronted articulation (variant of 032D ◌̭)
  •Indo-Europeanist: semivowel
0330 ◌̰ Combining Tilde Below
  •IPA: creaky voice
0331 ◌̱ Combining Macron Below
  →005F _ low line
  →02CD ˍ modifier letter low macron
0332 ◌̲ Combining Low Line
  =underline, underscore
  •connects on left and right
  →005F _ low line
0333 ◌̳ Combining Double Low Line
  =double underline, double underscore
  •connects on left and right
  →0347 ◌͇ combining equals sign below
  →2017 ‗ double low line

Overstruck diacritics

0334 ◌̴ Combining Tilde Overlay
  •IPA: velarization or pharyngealization
0335 ◌̵ Combining Short Stroke Overlay
0336 ◌̶ Combining Long Stroke Overlay
  =strikethrough
  •connects on left and right
0337 ◌̷ Combining Short Solidus Overlay
  =short slash overlay
0338 ◌̸ Combining Long Solidus Overlay
  =long slash overlay

Miscellaneous additions

0339 ◌̹ Combining Right Half Ring Below
033A ◌̺ Combining Inverted Bridge Below
  •IPA: apical
  →1DF9 ◌᷹ combining wide inverted bridge below
033B ◌̻ Combining Square Below
  •IPA: laminal
  •preferred glyph shape is a horizontal rectangle for IPA usage
033C ◌̼ Combining Seagull Below
  •IPA: linguolabial
033D ◌̽ Combining X Above
033E ◌̾ Combining Vertical Tilde
  =yerik
  •used for Cyrillic yerik, indicates an omitted jer
  •this is not a palatalization mark
  →0484 ◌҄ combining cyrillic palatalization
  →2E2F ⸯ vertical tilde
  →A67D ◌꙽ combining cyrillic payerok
033F ◌̿ Combining Double Overline
  •connects on left and right

Vietnamese tone marks

Vietnamese-specific accent placement should be handled instead by specialized rendering of 0300 and 0301. Use of 0340 and 0341 is discouraged.
0340 ◌̀ Combining Grave Tone Mark
  ≡0300 ◌̀ combining grave accent
0341 ◌́ Combining Acute Tone Mark
  ≡0301 ◌́ combining acute accent

Additions for Greek

0342 ◌͂ Combining Greek Perispomeni
  •Greek-specific form of circumflex for rising-falling accent
  •alternative glyph is similar to an inverted breve
  →0303 ◌̃ combining tilde
  →0311 ◌̑ combining inverted breve
0343 ◌̓ Combining Greek Koronis
  ≡0313 ◌̓ combining comma above
0344 ◌̈́ Combining Greek Dialytika Tonos
  •use of this character is discouraged
  ≡0308 ◌̈ 0301 ◌́
0345 ◌ͅ Combining Greek Ypogegrammeni
  =greek non-spacing iota below (1.0)
  =iota subscript
  •note special casing issues
  →037A ͺ greek ypogegrammeni
  →0399 Ι greek capital letter iota
  ↑0399 Ι greek capital letter iota
  ↔03B9 ι greek small letter iota

Additions for IPA

0346 ◌͆ Combining Bridge Above
  •IPA: dentolabial
  →20E9 ◌⃩ combining wide bridge above
0347 ◌͇ Combining Equals Sign Below
  •IPA: alveolar
0348 ◌͈ Combining Double Vertical Line Below
  •IPA: strong articulation
0349 ◌͉ Combining Left Angle Below
  •IPA: weak articulation
034A ◌͊ Combining Not Tilde Above
  •IPA: denasal

IPA diacritics for disordered speech

034B ◌͋ Combining Homothetic Above
  •IPA: nasal escape
034C ◌͌ Combining Almost Equal To Above
  •IPA: velopharyngeal friction
034D ◌͍ Combining Left Right Arrow Below
  •IPA: labial spreading
034E ◌͎ Combining Upwards Arrow Below
  •IPA: whistled articulation

Grapheme joiner

034F ⬚ Combining Grapheme Joiner
  •commonly abbreviated as CGJ
  •has no visible glyph
  •the name of this character is misleading; it does not actually join graphemes

Additions for the Uralic Phonetic Alphabet

0350 ◌͐ Combining Right Arrowhead Above
0351 ◌͑ Combining Left Half Ring Above
0352 ◌͒ Combining Fermata
0353 ◌͓ Combining X Below
0354 ◌͔ Combining Left Arrowhead Below
0355 ◌͕ Combining Right Arrowhead Below
0356 ◌͖ Combining Right Arrowhead And Up Arrowhead Below
0357 ◌͗ Combining Right Half Ring Above

Miscellaneous additions

0358 ◌͘ Combining Dot Above Right
  •Latin transliterations of the Southern Min dialects of Chinese
  →1DF8 ◌᷸ combining dot above left
0359 ◌͙ Combining Asterisk Below
  →204E ⁎ low asterisk
035A ◌͚ Combining Double Ring Below
  •Kharoshthi transliteration
035B ◌͛ Combining Zigzag Above
  •Latin abbreviation, Lithuanian phonetics and medievalist transcriptions

Double diacritics

035C ◌͜ Combining Double Breve Below
  =ligature tie below, papyrological hyphen
  •a common glyph alternate connects the horizontal midpoints of the characters
  →035D ◌͝ combining double breve
  →0361 ◌͡ combining double inverted breve
  →FE27 ◌︧ combining ligature left half below
035D ◌͝ Combining Double Breve
035E ◌͞ Combining Double Macron
035F ◌͟ Combining Double Macron Below
0360 ◌͠ Combining Double Tilde
  →FE22 ◌︢ combining double tilde left half
0361 ◌͡ Combining Double Inverted Breve
  =ligature tie
  →FE20 ◌︠ combining ligature left half
0362 ◌͢ Combining Double Rightwards Arrow Below
  •IPA: sliding articulation

Medieval superscript letter diacritics

These are letter diacritics written directly above other letters. They appear primarily in medieval Germanic manuscripts, but saw some usage as late as the 19th century in some languages.
0363 ◌ͣ Combining Latin Small Letter A
0364 ◌ͤ Combining Latin Small Letter E
0365 ◌ͥ Combining Latin Small Letter I
0366 ◌ͦ Combining Latin Small Letter O
0367 ◌ͧ Combining Latin Small Letter U
0368 ◌ͨ Combining Latin Small Letter C
0369 ◌ͩ Combining Latin Small Letter D
036A ◌ͪ Combining Latin Small Letter H
036B ◌ͫ Combining Latin Small Letter M
036C ◌ͬ Combining Latin Small Letter R
036D ◌ͭ Combining Latin Small Letter T
036E ◌ͮ Combining Latin Small Letter V
036F ◌ͯ Combining Latin Small Letter X