The Russian Language: A Finno-Ugric Substrate Beneath a Slavic Shell

The main myth: “Russian = Slavic language”

Russian propaganda has for centuries promoted the idea that Russian is the direct heir of the Old Rus (Old Slavic) language, while Ukrainian and Belarusian are “corrupted” versions. This is a fundamental error easily refuted by linguistic analysis.

In reality:

• Ukrainian preserved significantly more archaic Slavic features
• Russian underwent profound influence from Finno-Ugric languages (Merya, Muroma, Meshchera) and Turkic languages (Golden Horde)
• Modern literary Russian is largely an artificial construct of the 18th–19th centuries, built on a mixture of the Moscow dialect and Church Slavonic

The Finno-Ugric substrate

Who lived on the territory of Muscovy before the Slavs?

The territory of modern central Russia (Moscow, Vladimir, Yaroslavl, Kostroma, Tver oblasts) before Slavic colonisation was inhabited by Finno-Ugric tribes:

• Merya — Yaroslavl, Kostroma, Vladimir oblasts
• Muroma — lower Oka (the city of Murom preserved the tribe’s name)
• Meshchera — Meshchera lowland (Ryazan oblast)
• Ves — Belozersky region
• Chud — northern territories

These peoples did not disappear — they were gradually assimilated by Slavic settlers. But their languages left a deep imprint on dialects and culture.

Toponymy: the Finno-Ugric map of Russia

The most obvious evidence of the Finno-Ugric substrate is the geographical names of central Russia:

River names (hydronyms — the most conservative layer of toponymy):

• Moskva — from Finno-Ugric moska (“bear”) or va (“water”). NOT a Slavic name
• Oka — from Finno-Ugric joki (“river”). Compare Finnish joki, Estonian jõgi
• Klyazma, Kostroma, Vologda, Sukhona — all of Finno-Ugric origin
• Suffixes -ma, -ga, -da in river names — typical Finno-Ugric formats

City names:

• Murom — from the Muroma tribe
• Suzdal — from a Finno-Ugric root
• Kostroma — Finno-Ugric origin
• Vologda — from Veps valgeda (“light/white”)

For comparison: the names of rivers in central Ukraine are predominantly Slavic (Dnipro is Old Iranian, but Desna, Prypiat, Teteriv, Ros are Slavic or Old Indo-European).

Finno-Ugric features in the Russian language

Phonetics:

• Akanie (pronouncing unstressed “o” as “a”: Moskva → [maskva], moloko → [malako]) — characteristic of the Finno-Ugric substrate, not Proto-Slavic. Ukrainian and Belarusian preserve clear pronunciation of “o”
• Reduction of unstressed vowels — vowels in unstressed positions are “swallowed”

Vocabulary (Finno-Ugric borrowings in Russian):

• tundra — from Sami
• purga (blizzard) — from Finnish purku
• kovsh (ladle) — from a Finno-Ugric root
• Dozens of everyday and geographical terms

Grammar:

• Absence of the vocative case — it existed in Proto-Slavic. Ukrainian preserved the vocative (Ivane! Oksano! Bozhe!). Russian — lost it (replaced by the nominative)
• The construction “u menya yest” (I have = “at me is”) instead of the Proto-Slavic “I have” — parallels with Finno-Ugric constructions. Ukrainian preserves “ya mayu” (I have)

Turkic influence

The Golden Horde: 240 years

The Muscovite principality was under the rule of the Golden Horde from 1240 to ~1480 — 240 years. This left a deep imprint:

Turkic borrowings in Russian (absent or far less common in Ukrainian):

• dengi (money) — from Turkic tanga. Ukrainian — hroshi (from Czech)
• tamozhnya (customs) — from Turkic tamga. Ukrainian — mytnytsia
• kazna (treasury) — from Turkic khazna
• yamshchik (coachman) — from Turkic yam
• bogatyr (warrior-hero) — from Turkic baatur. Ukrainian — lytsar, vytіaz
• karaul (guard) — from Turkic qaraul. Ukrainian — varta
• kirpich (brick) — from Turkic kirpich. Ukrainian — tsehla
• saray (shed, from the word for palace!) — from Turkic saray
• bazar — Turkic via Persian
• tovar (goods) — from Turkic tavar

Hundreds of everyday words in Russian are of Turkic origin.

The Muscovite administrative apparatus

The governance system of the Muscovite Tsardom was built on the Horde model:

• Yarlyk (charter for princedom) — Turkic word
• Tarkhan (privilege charter) — Turkic
• The Muscovite postal system (yamskaya gonba) — Horde model

What the Ukrainian language preserved

Archaic Slavic features

The Ukrainian language preserved a number of Proto-Slavic features that Russian lost:

Feature	Proto-Slavic	Ukrainian	Russian
Vocative case	Existed	Yes (Ivane! Bozhe!)	No
Pluperfect tense	Existed	Yes (buv khodyv)	No
Fricative [h] sound	Existed	Yes	Replaced by plosive [g]
Clear “o”	Existed	Yes	Reduction (akanie)
“Ya mayu” (I have)	Existed	Yes	”U menya yest”
Diphthongs	Existed	Yes (і < о, і < е)	No

Lexical comparison

Proto-Slavic	Ukrainian	Russian	Comment
město	misto (city)	gorod	Rus. “gorod” — from “gorodit” (fence)
oko	oko (eye)	glaz	Rus. “glaz” — from Old German glas (gleam, glass)
nedělja	nedilia (Sunday)	voskresenye	Ukrainian preserved the Proto-Slavic name
krasьnъ	krasny (beautiful)	krasny (red)	Meaning shifted in Russian

Closeness to other Slavic languages

Linguistic research shows that Ukrainian is closer to other Slavic languages than Russian is:

• Ukrainian — Polish: ~70% mutually intelligible vocabulary
• Ukrainian — Belarusian: ~85% mutual intelligibility
• Ukrainian — Slovak/Czech: high level of intelligibility
• Russian — Polish: significantly lower level of intelligibility

This is explained by the fact that Ukrainian developed within the Slavic language continuum (alongside Polish, Slovak, Belarusian), while Russian broke away from the Slavic core through Finno-Ugric and Turkic influences.

Church Slavonic ≠ Russian

What is Church Slavonic?

Another common myth: “Church Slavonic is ancient Russian.” In reality:

Old Church Slavonic was created by Cyril and Methodius in the 9th century on the basis of South Slavic dialects (Old Bulgarian/Old Macedonian). It was never the spoken language of the inhabitants of Moscow or Kyiv.

Church Slavonic became the liturgical language of Orthodox Slavs — like Latin for Catholics. But it is not the ancestor of any modern Slavic language.

Artificial “Church Slavonicisation” of Russian

In the 17th–18th centuries, during the formation of literary Russian, a deliberate process occurred: the Moscow dialect was massively enriched with Church Slavonicisms to give it a “high style.”

Lomonosov in his “Theory of Three Styles” (1757) directly described this process: the “high style” of the Russian language was to be built on Church Slavonic vocabulary.

Result: modern literary Russian is a mixture of the Moscow dialect (with its Finno-Ugric substrate) and Church Slavonic (Old Bulgarian).

Examples of Church Slavonicisms in Russian that are absent in Ukrainian:

Church Slavonic (→ Russian)	Ukrainian (← natural development)
grad (city)	misto
glava (head)	holova
zlato (gold)	zoloto
vrata (gates)	vorota
mladenets (infant)	nemovlya
odezhda (clothing)	odiah
pishcha (food)	yizha

Conclusion

The Russian language is not a “pure Slavic language” and not the “direct heir of Old Rus.” It is a language formed as a result of:

1. A Finno-Ugric substrate — on territory where Slavs assimilated the local population
2. A Turkic superstrate — 240 years under the Golden Horde
3. Artificial Church Slavonicisation — deliberate enrichment with Old Bulgarian vocabulary in the 17th–18th centuries

Ukrainian, by contrast, developed within the Slavic language continuum, preserving archaic Proto-Slavic features (vocative case, fricative [h], the “ya mayu” construction, pluperfect tense) and being influenced by other Slavic languages (Polish, Czech).

Therefore, claiming that “Ukrainian is a dialect of Russian” is linguistic nonsense. If anything, by the number of preserved Proto-Slavic features, Ukrainian is far more “Slavic” than Russian.