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|Position in alphabet||14|
|Alphabetic derivatives of the Phoenician|
Nun is the fourteenth letter of many Semitic abjads, including Phoenician, Aramaic, Hebrew נ and Arabic alphabet nūn ن (in abjadi order). It is the third letter in Thaana (ނ), pronounced as "noon". Its sound value is [n].
Nun is thought to have come from a pictogram of a snake (the Hebrew word for snake, nachash begins with a Nun and snake in Aramaic is nun) or eel. Some have hypothesized a hieroglyph of a fish in water for its origin (in Arabic, nūn means large fish or whale). The Phoenician letter was named nūn "fish", but the glyph has been suggested to descend from a hypothetical Proto-Canaanite naḥš "snake", based on the name in Ethiopic, ultimately from a hieroglyph representing a snake,
|Various print fonts||Cursive
Hebrew spelling: נוּן
As in Arabic, nun as an abbreviation can stand for neqevah, feminine. In medieval Rabbinic writings, Nun Sophit (Final Nun) stood for "Son of" (Hebrew ben or ibn).
In the game of dreidel, a rolled Nun passes play to the next player with no other action.
The letter is named nūn, and is written is several ways depending in its position in the word:
|Position in word:||Isolated||Final||Medial||Initial|
Some examples on its uses in Modern Standard Arabic:
Nūn is used as a suffix indicating present-tense plural feminine nouns; for example هِيَ تَكْتُب hiya taktub ("she writes") becomes هُنَّ تَكْتَبْنَ hunna taktabna ("they [feminine] write").
It is retroflex nasal consonantal sound symbol, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ɳ⟩, and the equivalent X-SAMPA symbol is n`. Like all the retroflex consonants, the IPA symbol is formed by adding a rightward-pointing hook extending from the bottom of an en (the letter used for the corresponding alveolar consonant). It is similar to ⟨ɲ⟩, the letter for the palatal nasal, which has a leftward-pointing hook extending from the bottom of the left stem, and to ⟨ŋ⟩, the letter for the velar nasal, which has a leftward-pointing hook extending from the bottom of the right stem. Saraiki uses the letter ⟨ݨ⟩ for /ɳ/. It is a compound of nūn and rre (⟨ڑ⟩). For example:
- کݨ مݨ، چھݨ چھݨ، ونڄݨ۔
Social Media Campaign (2014)
In August 2014, with the rapid and brutal advance of Islamic State (IS) in northern Iraq, a genocidal persecution of Iraqi Christians and Yazidis has begun. As IS seized control of Mosul, Christians were given the choice of converting to Islam (pledging allegiance to the rule of IS and paying jizya or tax); to flee their homes, shops and belongings; or suffer death by sword. Thousands of Christians, Yazidis (who were given only the choices of conversion or death) and other, mostly Shi'a Muslims (whom IS consider to be apostate) have abandoned their longtime homes and land.
As a result, an international social media campaign has been launched to raise global awareness of the plight of the Mosul Christians making use of the letter ن (nun)—the mark that IS members spray painted on deserted Christian properties. Some Christians have changed their profile pictures on Facebook and Twitter to pictures of the letter ن as a symbol of support.  The letter ن, in relation to this social media campaign, is being called the "Mark of the Nazarene" from naṣrānī (نصراني; plural naṣārā نصارى), a normative Arabic term disparagingly used by IS to brand Christians. 
|Unicode name||HEBREW LETTER NUN||HEBREW LETTER FINAL NUN||ARABIC LETTER NOON||SYRIAC LETTER NUN||SAMARITAN LETTER NUN|
|UTF-8||215 160||D7 A0||215 159||D7 9F||217 134||D9 86||220 162||DC A2||224 160 141||E0 A0 8D|
|Numeric character reference||נ||נ||ן||ן||ن||ن||ܢ||ܢ||ࠍ||ࠍ|
|Unicode name||UGARITIC LETTER NUN||IMPERIAL ARAMAIC LETTER NUN||PHOENICIAN LETTER NUN|
|UTF-8||240 144 142 144||F0 90 8E 90||240 144 161 141||F0 90 A1 8D||240 144 164 141||F0 90 A4 8D|
|UTF-16||55296 57232||D800 DF90||55298 56397||D802 DC4D||55298 56589||D802 DD0D|
|Numeric character reference||𐎐||𐎐||𐡍||𐡍||𐤍||𐤍|