Livvi (Olonets Karelian) has a Finnic vowel system with the front vowels Ä (/æ/) and Ö (/ø/) alongside back vowels A, O, U, and the high front rounded Y. These vowels participate in vowel harmony — the Finnic system whereby words contain either front or back vowels.
Vowel harmony gives Livvi the characteristic rhythmic quality of all Finnic languages. Suffixes and grammatical endings alternate between front and back forms to match the root vowels. This harmonic alternation operates identically to the system in Finnish — one of the strongest indicators of the common Finnic ancestry of Livvi/Olonets Karelian and Finnish.
Livvi consonants include Č (ch-sound), Š (sh-sound), and Ž (zh-sound) alongside the standard Latin consonants. The háček letters appear in both native Karelian vocabulary and Russian loanwords integrated over centuries of contact.
Livvi (Olonets Karelian) exhibits consonant gradation — the alternation of consonants between strong and weak grades depending on syllable structure. This Finnic feature operates in Livvi similarly to Finnish, with the characteristic patterns of the Karelian dialect family. Consonant gradation affects the spelling of word forms and makes Livvi morphology distinctively Finnic.
The 5 unique letters of the Livvi alphabet: Č/č (ch-sound), Š/š (sh-sound), Ž/ž (zh-sound), Ä/ä (front open vowel), and Ö/ö (front rounded vowel). These are the same special characters as the Olonets Karelian alphabet — Livvi and Olonets Karelian are names for the same language.
The front vowels Ä, Ö represent sounds absent from Russian — the dominant language of the Karelian Republic — and are a key reason why the Latin alphabet was chosen for Livvi/Olonets Karelian standardisation in the 1990s rather than Cyrillic. Russian Cyrillic lacks letters for these fundamental Finnic vowels.
Livvi uses Arabic numerals (0–9). The native Livvi/Olonets Karelian number words: nol (0), üksi (1), kaksi (2), kolme (3), nelli (4), viizi (5), kuuzi (6), seičče (7), kaheksa (8), yheksä (9).
Livvi number words are close cognates of Finnish — üksi (one), kaksi (two), kolme (three) versus Finnish yksi, kaksi, kolme. These parallels confirm the Finnic identity of Livvi/Olonets Karelian as a close relative of Finnish, sharing common descent from Proto-Finnic despite their separate development in different national contexts.
A complete view of all 27 Livvi letters in alphabetical order — identical to the Olonets Karelian alphabet, since Livvi and Olonets Karelian are two names for the same language. The unique letters Č, Ä, Ö, Š, Ž are integrated at their correct alphabetical positions.
The Livvi orthography, developed in the 1990s with input from the Karelian Research Centre (KarRC RAS) [3], is used in Livvi/Olonets Karelian publications and educational materials in the Republic of Karelia. It enables the Livvi-speaking community to produce written materials in their own language with orthographic conventions connected to Finnish and other Finnic languages.
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