Kumyk vowels include two digraph vowels unique to its Cyrillic orthography: Оь (front rounded ö-vowel) and Уь (close front rounded ü-vowel). These represent sounds not in Russian, written as two-character digraphs rather than with diacritic-modified single letters.
Kumyk maintains Turkic vowel harmony — front-vowel words (containing Оь, Уь, Е, И) and back-vowel words (А, О, У, Ы) form two distinct grammatical classes. Suffixes must agree with the vowel class of the root word.
Kumyk uses four digraph consonants not found in Russian: Гъ (voiced uvular fricative gh-sound), Къ (uvular stop q-sound), Кь (palatalised k-sound), and Нг (velar nasal ng-sound). The digraph Хь represents a pharyngeal h-sound.
These digraph consonants reflect the rich phonological inventory of Kumyk, which preserves Turkic uvular sounds (q, gh) and the pharyngeal fricative (h) through Arabic and Persian contact. The Нг digraph represents the velar nasal ng-sound common in Turkic languages.
The 8 digraph combinations that are unique to the Kumyk Cyrillic alphabet: Гъ (uvular gh), Къ (uvular q), Кь (palatal k), Нг (velar ng nasal), Оь (ö vowel), Уь (ü vowel), and Хь (pharyngeal h).
The use of digraphs (two-letter combinations) rather than single modified Cyrillic letters is a notable feature of Kumyk orthography. Other Turkic languages use single diacritic letters (NG, Ö, Ü as Ң, Ө, Ү), but Kumyk combines standard Cyrillic base letters with ъ, ь, or г to create its specific phonological distinctions.
Kumyk uses Arabic numerals (0–9) in modern writing. The native Kumyk number words: нол (0), бир (1), эки (2), юч (3), дёрт (4), беш (5), алты (6), етти (7), сегиз (8), тогъуз (9).
Note how тогъуз (nine) uses the Kumyk digraph гъ, demonstrating the digraph system in everyday vocabulary. The shared Turkic roots бир (one), алты (six), and беш (five) are recognisable across the Turkic language family.
A complete view of all Kumyk letters and digraphs in alphabetical order.
The Kumyk Cyrillic alphabet integrates its digraph combinations (Гъ, Къ, Кь, Нг, Оь, Уь, Хь) into the standard Russian Cyrillic sequence. This digraph-based orthography has been in use since the Soviet-era standardisation of the Kumyk written language.
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