Stigma (letter) 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 used as a numeral symbol for the number 6. In this unrelated function, it is a continuation of the old letter digamma (originally Ϝ, cursive form ), which had served as a numeral since antiquity and was conflated with the σ-τ ligature in the minuscule handwriting of the Middle Ages. The στ ligature (, ) was one of many ligature forms that came into widespread use as
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