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| Character | Code point | Name | Remarks |
|---|---|---|---|
| ɑ | U+0251 | Latin alpha or ‘script a’ | There is a capital, Ɑ, U+2C6D, but this forms part of several Cameroon language orthographies, and it is not ordinarily used in strictly linguistic contexts. Note also the existence of ᵅ U+1D45, ɒ U+0252, ᶛ U+1D9B, ꭤ U+AB64, and ꬰ U+AB30. |
| ꞵ | U+A7B5 | Latin beta | There is a capital, Ꞵ, U+A7B4, but this forms part of Gabonese orthographies, and it is not ordinarily used in strictly linguistic contexts. Note the availability of the Latin glyph shape of Greek beta U+03B2 in the pre-version-4 Brill fonts through application of OpenType ss20. |
| ɣ | U+0263 | Latin gamma | There is a capital, Ɣ, U+0194, but this forms part of some African orthographies, and it is not ordinarily used in strictly linguistic contexts. Note also the existence of ˠ U+02E0 Superscript Latin gamma, and ɤ U+0264 ‘Baby gamma’ or ‘ram’s horns’. |
| ẟ | U+1E9F | Latin delta or ‘script d’ or ‘insular d’ | Note also the existence of ƍ U+018D turned delta. |
| ɛ | U+025B | Latin epsilon or ‘open e’ | There is a capital, Ɛ, U+0190, but this forms part of some African (Niger-Congo) orthographies, and it is not ordinarily used in strictly linguistic contexts. Note also the existence of ᶓ U+1D93, ɜ U+025C, ᶔ U+1D94, ɝ U+025D, ᶟ U+1D9F, ɞ U+025E, ʚ U+029A, ᴈ U+1D08, ᵋ U+1D4B, and ᵌ U+1D4C. |
| U+03B8 | Latin theta | This character has not yet been encoded in Unicode. The Latin glyph shape of Greek theta U+03B8 in the Brill fonts is accessible by application of OpenType ss20. |
| ɩ | U+0269 | Latin iota | There is a capital, Ɩ, U+0196, but this forms part of some African (Niger-Congo) orthographies, and it is not ordinarily used in strictly linguistic contexts. Note also the existence of ᶥ U+1DA5 and ᵼ U+1D7C. Do not confuse with ꙇ Cyrillic iota U+A647. |
 | U+03BB | Latin lambda | This character has not yet been encoded in Unicode. The Latin glyph shape of Greek lambda U+03BB in the Brill fonts is accessible by application of OpenType ss20. Note also the existence of ƛ U+019B. |
| ʊ | U+028A | Latin upsilon | There is a capital, Ʊ U+01B1, but this forms part of some African (Niger-Congo) orthographies, and it is not ordinarily used in strictly linguistic contexts. Note also the existence of ᵿ U+1D7F and ᶷ U+1DB7. |
| ɸ | U+0278 | Latin phi | Note also the existence of ᶲ U+1DB2 and ⱷ U+2C77. |
| ꭓ | U+AB53 | Latin khi | Note the availability of the Latin glyph shape of Greek khi U+03C7 in the pre-version-4 Brill fonts through application of OpenType ss20. There is a capital, Ꭓ, U+A7B3, but this is only used in German dialectology. Note also the existence of ꭔ U+AB54 and ꭕ U+AB55. |
| ꞷ | U+A7B7 | Latin omega | There is a capital, Ꞷ, U+A7B6. Both are used in African orthographies. Note also the existence of ɷ U+0277 and ꭥ U+AB65. |
Confusables in linguistics
In linguistics, the following non-literal symbols are often confused:
| WRONG character | Code point | Name | CORRECT character | Code point | Name | Remarks |
|---|---|---|---|---|---|---|
Ø | U+00D8 | Latin capital letter O with stroke | ∅ | U+2205 | Empty set | The 'empty set' is used in linguistics to denote a zero morpheme (null morpheme) or zero-grade ablaut (or phonological 'zero'). Often submitted by authors as Capital letter O with stroke. |
| = | U+003D | Equals sign | ⸗ | U+2E17 | Double oblique hyphen | The 'double oblique hyphen' is often used in grammars, as a clitic marker or morpheme boundary marker. Often submitted by authors as Equals sign. |