The vowel letters of the Selkup Cyrillic alphabet include the standard Russian vowels plus the unique Ӧ (front rounded O). Selkup has a rich vowel system typical of Uralic languages, with vowel harmony playing a role in word formation.
The front rounded vowel Ӧ is one of the most distinctive features of Selkup phonology — it represents a sound found in Finnish and Estonian (as Ö) but absent from Russian, reflecting Selkup's Uralic rather than Slavic ancestry.
The Selkup Cyrillic consonant inventory includes the two unique nasal letters Ң and Ӈ, which distinguish two different nasal sounds not present in Russian Cyrillic. These letters are essential for accurate representation of Selkup phonology.
The distinction between Ң (velar nasal, as in English "sing") and Ӈ (palatal nasal) is phonemically contrastive in Selkup — two words may differ only in which nasal letter appears. This two-nasal system is characteristic of Samoyedic languages and sets Selkup apart from its Slavic-script neighbours.
The special characters of the Selkup alphabet — Ң, Ӈ, and Ӧ — are the three letters added to standard Russian Cyrillic to represent sounds unique to the Selkup language. Each encodes a phoneme absent from Russian but essential to Selkup.
These three letters were codified during the Soviet-era standardisation of Selkup orthography in the 1980s, when linguists worked with community members to create a writing system capable of accurately representing the full sound inventory of the Selkup language as spoken in Tomsk Oblast.
Selkup uses Arabic numerals (0–9) in modern writing. Traditional Selkup number words are Samoyedic in origin: okyr (1), şiti (2), nağyr (3), tettä (4), sumplangy (5), mukky (6), sittä (7), ketty (8), öktyn (9), nömpy (10).
Selkup number words are closely related to those in Nenets and Nganasan, reflecting shared Samoyedic ancestry. These traditional counting words are an important part of Selkup linguistic heritage and are being documented by linguists working on language preservation.
A complete view of all Selkup Cyrillic letters arranged in alphabetical order. The alphabet closely follows standard Russian Cyrillic but adds the three language-specific letters Ң, Ӈ, and Ӧ to represent sounds unique to Selkup phonology.
The complete Selkup alphabet is the product of decades of linguistic fieldwork in Tomsk Oblast and Krasnoyarsk Krai. It represents a practical writing system designed for a language with phonological features — particularly its nasal consonant contrasts and front rounded vowel — that go beyond the standard Russian Cyrillic inventory.
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