Stigma (letter) sigma form ς never occurs inside a word and is never used as a numeral either. Uppercase forms of stigma as a numeral (Ϛ) are rare in practice; when they occur, they can often be confused with uppercase forms of another numeral symbol, koppa (Ϟϟ), which stands for 90. Stigma is encoded in Unicode as "Greek letter stigma" U+03DA (Ϛ) and "Greek small letter stigma" U+03DB (ϛ). Stigma (letter) Stigma (ϛ) is a ligature of the Greek letters sigma (Σ) and tau (Τ), which was used in writing Greek between the Middle Ages and the 19th century. It is also
Kra (letter) Kra (letter) Kra (Kʼ / ĸ) is a glyph formerly used to write the Kalaallisut language of Greenland and is now only found in Nunatsiavummiutut, a distinct Inuktitut dialect. It is visually similar to a Latin small capital letter "K" and the Greek letter kappa "κ". It is used to denote the sound written as in the International Phonetic Alphabet (the voiceless uvular plosive). For collation purposes, it is therefore considered to be a type of "q", rather than a type of "k", and should sort near "q". Its Unicode code point for the lowercase form is . If this