Here are three lists of characters that are in IPA Extension, Spacing Modifier Letters, and Combining Diacritical Marks of Unicode and did not found in the International Phonetic Association and IPA font of The Summer Institute of Linguistic (SIL). Here is also a list of characters that are found in IPA and did not found in Unicode. Four lists are as follows.
Characters in IPA Extension of Unicode and not in SIL font
| unicode | Explanation | IPA Number | Note |
| U+025A |
Latin Small Letter Schwa with Hook/Right-hook Schwa |
327 |
SIL uses combination of U+0259 and U+02DE. |
| U+025D |
Latin Small Letter Reversed Open E with Hook |
|
SIL uses combination of U+025C and U+02DE. |
| U+0269 |
Latin Small Letter Iota |
399 |
SIL says that IPA abandoned it 1993. Unicode 3.0 says IPA obsoleted it 1989,
U+026A is used. |
| U+026B |
Latin Small Letter L with Middle Tilde |
209 |
|
| U+0277 |
Latin Small Letter Closed Omega |
398 |
SIL says IPA abandoned it 1993. Unicode 3.0 says IPA abandoned it 1989. IPA Handbook says it is superseded by 321(U+028A) 1989. |
| U+027C |
Latin Small Letter R with Long Leg |
206 |
Unicode 3.0 says that IPA obsoleted it 1989. |
| U+027F |
Latin Small Letter Reversed R with Fishhook |
|
|
| U+0285 |
Latin Small Letter Squart Reversed Esh |
|
|
| U+0286 |
Latin Small Letter Esh with Curl |
204 |
IPA Handbook says that IPA obsoleted it 1989. |
| U+0287 |
Latin Small Letter Turned T |
201 |
IPA Handbook says it is superseded by 177(U+01C0) 1989. |
| U+0293 |
Latin Small Letter Ezh with Curl |
205 |
IPA Handbook says that IPA obsoleted it 1989. |
| U+0296 |
Latin Letter Inverted Glottal Stop |
203 |
IPA Handbook says that it is superseded by 180(U+01C1) 1989. |
| U+0297 |
Latin Letter Stretched C |
202 |
IPA Handbook says that it is superseded by 178(U+01C3) 1989. |
| U+029A |
Latin Small Letter Closed Open E |
396 |
IPA Handbook says that it is superseded by 395(U+025E) 1996. |
| U+029E |
Latin Small Letter Turned K |
291 |
Unicode 3.0 says that IPA obsoleted it 1970. |
| U+02A3 |
Latin Small Letter DZ Digraph |
212 |
|
| U+02A4 |
Latin Small Letter DEzh Digraph |
214 |
|
| U+02A5 |
Latin Small Letter DZ Digraph with Curl |
216 |
|
| U+02A6 |
Latin Small Letter TS Digraph |
211 |
|
| U+02A8 |
Latin Small Letter TC Digraph with Curl |
215 |
|
| U+02A9 |
Latin Small Letter FENG Digraph |
|
Added by Unicode 3.0. |
| U+02AA |
Latin Small Letter LS Digraph |
|
| U+02AB |
Latin Small Letter LZ Digraph |
|
| U+02AC |
Latin Letter Bilabial Percussive |
|
| U+02AD |
Latin Letter Bidental Percussive |
|
Characters in Spacing Modifier Letters of Unicode and not in SIL font
| unicode | Explanation | IPA
Number | Note |
| U+02B1 | Modifier Letter Small H with Hook | | |
| U+02B3 | Modifier Letter Small R | |
| U+02B4 | Modifier Letter Small Turned R | |
| U+02B5 | Modifier Letter Small Turned R with Hook | |
| U+02B6 | Modifier Letter Small Capital Inverted R | |
| U+02B8 | Modifier Letter Small Y |
496 | |
| U+02B9 | Modifier Letter Prime |
|
There are Acute Accent and Double Acute Accent. |
| U+02BA | Modifier Letter Double Prime |
|
| U+02BB | Modifier Letter Turned Comma |
|
Glyph looks like left quotation, but both are not found in IPA |
| U+02BD | Modifier Letter Reversed Comma |
|
Glyph looks like inverted left quotation of U+2BA. |
| U+02C0 | Modifier Letter Glottal Stop |
|
Only U+02C1 is found in IPA. |
| U+02C2 | Modifier Letter Left Arrowhead |
|
? |
| U+02C3 | Modifier Letter Right Arrowhead |
|
| U+02C4 | Modifier Letter Up Arrowhead |
|
| U+02C5 | Modifier Letter Down Arrowhead |
|
| U+02CE | Modifier Letter Low Grave Accent |
|
|
| U+02CF | Modifier Letter Low Acute Accent |
|
| U+02D2 | Modifier Letter Centered Right Half Ring |
|
It is said that "Diacritics may be placed above a symbol with a descender". But this is not "above". |
| U+02D3 | Modifier Letter Centered Left Half Ring |
|
| U+02D7 | Modifier Letter Minus Sign |
|
We could not find difference from U+02CD Modifier Letter Low Macron |
| U+02D9 | Dot Above |
|
|
| U+02DB | Ogonek |
|
|
| U+02DF | Modifier Letter Cross Accent |
|
Added for Unicode 3.0. |
| U+02E2 | Modifier Letter Small S |
207 |
IPA Handbook says that IPA obsoleted it 1989. |
| U+02EA |
Modifier Letter Yin Departing Tone Mark |
|
Added for Unicode 3.0. |
| U+02EB |
Modifier Letter Yang Departing Tone Mark |
|
| U+02EC |
Modifier Letter Voicing |
|
| U+02ED |
Modifier Letter Unaspirated |
|
| U+02EE |
Modifier Letter Double Apostrophe |
|
Characters in Combining Diacritical Marks of Unicode and not in SIL font
| unicode | Explanation | IPA Number | Note |
| U+0305 | Combining Overline |
| U+0304 Combining Macron exist. |
| U+0307 | Combining Dot Above |
493 | According to Unicode 3.0, withdrawn by IPA in 1976. |
| U+0309 | Combining Hook Above |
| |
| U+030D | Combining Vertical Line Above |
|
| U+030E | Combining Double Vertical Line Above |
|
| U+0310 | Combining Candrabindu |
|
| U+0311 | Combining Inverted Breve |
595 | |
| U+0312 | Combining Turned Comma Above |
| |
| U+0313 | Combining Comma Above |
| U+0314 | Combining Reversed Comma Above |
| U+0315 | Combining Comma Above Right |
| U+0316 | Combining Grave Accent Below |
| U+0317 | Combining Acute Accent Below |
| U+031B | Combining Horn |
| U+0320 | Combining Minus Sign |
We could not find difference from U+0331 Combining Macron Below. |
| U+0321 | Combining Palatalized Hook Below |
|
| U+0322 | Combining Retroflex Hook Below |
| U+0323 | Combining Dot Below |
497 | |
| U+0326 | Combining Comma Below |
| |
| U+0327 | Combining Cedilla |
| U+0328 | Combining Ogonek |
| U+032B | Combining Invertd Double Arch Below |
| U+032D | Combining Circumflex Accent Below |
| U+032E | Combining Breve Below |
| U+0332 | Combining Low Line |
| U+0333 | Combining Double Low Line |
| U+0335 | Combining Short Stroke Overlay |
| U+0336 | Combining Long Stroke Overlay |
| U+0337 | Combining Short Solidus Overlay |
| U+0338 | Combining Long Solidus Overlay |
| U+033E | Combining Vertical Tilde |
| U+033F | Combining Double Overline |
| U+0340 | Combining Grave Tonemark |
We could not find difference from U+0300 Combining Grave Accent. |
| U+0341 | Combining Acute Tonemark |
We could not find difference from U+0301 Combining Acute Accent. |
| U+0342 | Combining Greek Perispomeni |
|
| U+0343 | Combining Greek Koronis |
| U+0344 | Combining Greek Dialytika Tonos |
| U+0345 | Combining Greek Ypogegrammeni |
| U+0346 |
Combining Bridge Above |
|
IPA says ‘Diacritics may be placed above a symbol with a descender’, e.g. ŋ(U+014B) Added for Unicode 3.0. |
| U+0347 |
Combining Equal Sign Below |
not found |
Added for Unicode 3.0. |
| U+0348 |
Combining Double Vertical Line Below |
| U+0349 |
Combining Left Angle Below |
| U+034A |
Combining Not Tilde Above |
| U+034B |
Combining Homothetic Above |
| U+034C |
Combining Almost Equal To Above |
| U+034D |
Combining Left Right Arrow Below |
| U+034E |
Combining Upwards Arrow Below |
| U+0360 | Combining Double Tilde |
|
| U+0362 |
Combining Double Rightwards Arrow Below |
Added for Unicode 3.0. |
Characters in IPA or SIL font and not in IPA Extension, Spacing Modifier Letters and Combining Diacritical Marks of Unicode
| Character | IPA Number | Explanation | Existence in SIL font | Note |
| p |
101 |
Lowercase P |
exist |
C0 Controls and Basic Latin U+0070 is used. (IPA Handbook) |
| b |
102 |
Lowercase B |
C0 Controls and Basic Latin U+0062 is used. (IPA Handbook) |
| t |
103 |
Lowercase T |
C0 Controls and Basic Latin U+0074 is used. (IPA Handbook) |
| d |
104 |
Lowercase D |
C0 Controls and Basic Latin U+0064 is used. (IPA Handbook) |
| c |
107 |
Lowercase C |
C0 Controls and Basic Latin U+0063 is used. (IPA Handbook) |
| k |
109 |
Lowercase K |
C0 Controls and Basic Latin U+006B is used. (IPA Handbook) |
| q |
111 |
Lowercase Q |
C0 Controls and Basic Latin U+0071 is used. (IPA Handbook) |
| m |
114 |
Lowercase M |
C0 Controls and Basic Latin U+006D is used. (IPA Handbook) |
| n |
116 |
Lowercase N |
C0 Controls and Basic Latin U+006E is used. (IPA Handbook) |
| N |
119 |
Eng |
Latin Extended-A U+014B is used. (IPA Handbook) |
| r |
122 |
Lowercase R |
C0 Controls and Basic Latin U+0072 is used. (IPA Handbook) |
| B |
127 |
Beta |
Greek U+03B2 β is used. (IPA Handbook) |
| f |
128 |
Lowercase F |
C0 Controls and Basic Latin U+0066 is used. (IPA Handbook) |
| v |
129 |
Lowercase V |
C0 Controls and Basic Latin U+0076 is used. (IPA Handbook) |
| T |
130 |
Theta |
Greek U+03B8 θ is used. (IPA Handbook) |
| D |
131 |
Eth |
C1 Controls and Latin-1 Supplement U+00F0 ð is used. (IPA Handbook) |
| s |
132 |
Lowercase S |
C0 Controls and Basic Latin U+0073 is used. (IPA Handbook) |
| z |
133 |
Lowercase Z |
C0 Controls and Basic Latin U+007A is used. (IPA Handbook) |
| C |
138 |
C Cedilla |
C1 Controls and Latin-1 Supplement U+00E7 ç U+0064
is used. (IPA Handbook) |
| x |
140 |
Lowercase X |
C0 Controls and Basic Latin U+0078 is used. (IPA Handbook) |
| X |
142 |
Chi |
Greek U+03C7 χ is used. (IPA Handbook) |
| ð |
144 |
Crossed H |
Latin Extended-A U+0127 ħ is used. (IPA Handbook) |
| h |
146 |
Lowercase H |
C0 Controls and Basic Latin U+0068 is used. (IPA Handbook) |
| j |
153 |
Lowercase J |
C0 Controls and Basic Latin U+006A is used. (IPA Handbook) |
| l |
155 |
Lowercase L |
C0 Controls and Basic Latin U+006C is used. (IPA Handbook) |
| ƥ |
159 |
Hooktop P |
not exist |
Latin Extended-B U+01A5 Latin Small Letter P with hook is corresponds, SIL IPA93 obsoletes it. |
| ƭ |
161 |
Hooktop T |
Latin Extended-B U+01AD Latin Small Letter T with hook is corresponds, SIL IPA93 obsoletes it. |
| ƈ |
163 |
Hooktop C |
Latin Extended-B U+0188 Latin Small Letter C with hook is corresponds, SIL IPA93 obsoletes it. |
| ƙ |
165 |
Hooktop K |
Latin Extended-B U+0199 Latin Small Letter K with hook is corresponds, SIL IPA93 obsoletes it. |
| w |
170 |
Lowercase W |
exist |
C0 Controls and Basic Latin U+0077 is used. (IPA Handbook) |
| Ž |
177 |
Pipe |
Latin Extended-B U+01C0 Latin Small Letter Dental Clickǀ is used. (IPA Handbook) Minor (foot) group in IPA |
| — |
178 |
Exclamation Point |
Latin Extended-BのU+01C3 Latin Letter Retroflex Clickǃ is used. (IPA Handbook) |
| œ |
179 |
Double-barred Pipe |
Latin Extended-B U+01C2 Latin Letter Alveolar Click ǂ is used. (IPA Handbook) Palatoalveolar (IPA) |
| ’ |
180 |
Double Pipe |
Latin Extended-B U+01C1 Latin Letter Lateral Click ǁ is used. (IPA Handbook). Minor (intonation) group (IPA) |
| ƫ |
208 |
Left-hook T |
not exist |
Latin Extended-B U+01AB Latin Small Letter T with Palatal Hook ƫ is corresponded. It is absoleted 1989. (IPA Handbook) |
| g |
210 |
Looptail G |
C0 Controls and Basic Latin U+0067 is used. Equivalent to 110(U+0261). (IPA Handbook) |
|
217 |
Superscript Theta |
|
|
218 |
Superscript Schwa |
|
|
219 |
Hooktop right-tail D |
|
| ƻ |
290 |
Barred Two |
Latin Extended-B U+01BB Latin Letter Two with Stroke ƻ is used. (IPA Handbook) |
| ƞ |
293 |
N, Right Leg |
Latin Extended-B U+019E Latin Small Letter N with Long Right Leg ƞ is used. Absoleted 1976. (IPA Handbook) |
| ƛ |
294 |
Barred Lambda |
Latin Extended-B U+019B Latin Small Letter Lambda with Stroke ƛ is corresponded. Not IPA usage. (IPA Handbook) |
| λ |
295 |
Lambda |
Greek and Coptic U+03BB Greek Small Letter Lambda λ is corresponded. Not IPA usage. (IPA Handbook) |
| ž |
296 |
Z Wedge |
Latin Extended-A U+017E Latin Small Letter Z with Caron ž is corresponded. Not IPA usage. (IPA Handbook) |
| š |
297 |
S Wedge |
Latin Extended-A U+0161 Latin Small Letter S with Caron š is corresponded. Not IPA usage. (IPA Handbook) |
| ǰ |
298 |
J Wedge |
Latin Extended-B U+01F0 Latin Small Letter J with Caron ǰ is corresponded. Not IPA usage. (IPA Handbook) |
| č |
299 |
C Wedge |
Latin Extended-A U+010D Latin Small Letter C with Caron č is corresponded. Not IPA usage. (IPA Handbook) |
| i |
301 |
Lowercase I |
exist |
C0 Controls and Basic Latin U+0069 is used. (IPA Handbook) |
| e |
302 |
Lowercase E |
C0 Controls and Basic Latin U+0065 is used. (IPA Handbook) |
| a |
304 |
Lowercase A |
C0 Controls and Basic Latin U+0061 is used. (IPA Handbook) |
| o |
307 |
Lowercase O |
C0 Controls and Basic Latin U+006F is used. (IPA Handbook) |
| u |
308 |
Lowercase U |
C0 Controls and Basic Latin U+0075 is used. (IPA Handbook) |
| y |
309 |
Lowercase Y |
C0 Controls and Basic Latin U+0079 is used. (IPA Handbook) |
| O |
310 |
Slashed O |
C1 Controls and Latin-1 Supplement U+00F8 ø is used. (IPA Handbook) |
| ¿ |
311 |
O-E Digraph |
Latin Extended-A U+0153 œ is used. (IPA Handbook) |
| Q |
325 |
Ash Digraph |
C1 Controls and Latin-1 Supplement U+00E6 æ is used. (IPA Handbook) |
| " |
394 |
Dotless I |
Latin Extended-A U+0131 ı is corresponded. Not IPA usage. (IPA Handbook) |
| < |
425 |
Super Script N |
Superscripts and SubscriptsのU+207F ⁿ is used. (IPA Handbook) |
| , |
491 |
Comma |
C0 Controls and Basic Latin U+002C , is corresponded. Not IPA usage. (IPA Handbook) |
| . |
506 |
Period |
C0 Controls and Basic Latin U+002E . is corresponded. Not IPA usage. (IPA Handbook) |
| – |
507 |
Vertical Line |
C0 Controls and Basic Latin U+007C | is used. (IPA Handbook) |
| „ |
508 |
Double Vertical Line |
Alveolar lateral in IPA. General Punctuation U+2016 Double Vertical Line ‖ is used. (IPA Handbook) |
| í |
509 |
Bottom Tie Bar |
General Punctuation U+203F Undertie ‿ is used. (IPA Handbook) |
| Ì |
510 |
Upward Diagonal Arrow |
Arrows U+2197↗is used. (IPA Handbook) |
| Í |
511 |
Downward Diagonal Arrow |
Arrows U+2198 ↘is used. (IPA Handbook) |
| › |
517 |
Down Arrow |
Arrows U+2193 ↓is used. (IPA Handbook) |
| ‹ |
518 |
Up Arrow |
Arrows U+2191 ↑is used. (IPA Handbook) |
| è |
529 |
Rising |
There are no name in SIL font. Name of IPA is shown. |
| † |
530 |
Falling |
| Ø |
531 |
High Rising |
| € |
532 |
Low Rising |
| … |
not exist |
Rising-falling |
|
Glyph of IPA and SIL font is little bit different. |
| Ù |
|
|
| ® |
Undotted Barred I |
|
|
| ¾ |
Dottless J |
|