Finnish IRL

Yes, Finnish is related to Hungarian. It barely shows

The two languages share about two hundred word roots and four thousand years of separation. The one Finnish speakers can half-read is Estonian, and that has been measured.

The learning curve Published Updated 9 min read

Quick answer

  • Yes. Finnish and Hungarian are both Uralic, and the family is roughly 4,000 to 4,500 years old on the current dating.
  • They are not mutually intelligible in any degree. The shared inheritance is about 200 firm reconstructed word roots, and after four millennia those come out as kala and hal, or kolme and három.
  • The language Finnish speakers can half-read is Estonian. Finns with no prior study identify about 42 per cent of spoken Estonian words and 47 per cent of written ones.
  • Finnish is not related to Swedish at all, despite sharing far more vocabulary with it. In a core-vocabulary sample, 69 per cent of the borrowed meanings came from Swedish or its earlier Germanic stages.

What you'll learn

  • How deep the Finnish and Hungarian split is, and why the date moved recently
  • The seven cognates that keep getting quoted, and what they actually look like
  • What knowing one of the two actually buys you in the other, which is not vocabulary
  • Which false friends between Finnish and Estonian are documented, and which are internet folklore

Ask Google, or any assistant, whether Finnish is related to Hungarian, and the answer comes back in two clauses: yes, both are Uralic. It is true, it is the whole answer most pages give, and it leaves out the only number that makes it mean anything.

The number is about two hundred. That is roughly how many firm Proto-Uralic word roots the reconstruction supports on the traditional criterion, and it is the entire inheritance the two languages could possibly share.1 Everything else in Finnish and everything else in Hungarian arrived after they parted.

A map of the Uralic languages in the early twentieth century, a broken arc across northern Eurasia with Hungarian isolated in the Carpathian basin
Hungarian is the green patch on the left, about 1,500 kilometres from its nearest relativePhoto: Timo Rantanen, Harri Tolvanen, Meeli Roose, Jussi Ylikoski and Outi Vesakoski / Wikimedia Commons

How far apart

The split is currently put at roughly 4,000 to 4,500 years, and the family’s nine branches are each deep enough to count as a genus in the sense linguists use for Germanic or Romance inside Indo-European.1 So Finnish against Hungarian is a cross-genus comparison in a family about as old as Indo-European. English against Russian is the closer analogy. English against German is not.

That figure has moved, which is why English-language content is inconsistent about it.

EstimateWhoNote
Estimate7000-5000 BCWhoJanhunen 2000Notethe high end
Estimate5000-4000 BCWhoSinor 1988Note
Estimateabout 4000 BCWhothe majority view for most of the 20th centuryNotederived from an assumed Indo-European date
Estimateabout 2000 BCWhoHäkkinen 2009, Grünthal et al. 2022Notethe current low end

The old date rested on the assumption that the oldest Indo-European loanwords in Uralic came from Proto-Indo-European. Later work argued they came from Proto-Indo-Iranian, a much later and much better dated language, and when that anchor moved the whole chronology moved with it.2

Ancient DNA published in Nature in 2025 arrived independently at about the same figure and pushed the homeland further east than the traditional Volga hypothesis, tracing a westward dispersal from the Lena River Basin around 4,000 years ago that reached Karelia about 3,500 years ago and the eastern Baltic about 2,600 years ago.3

The words they do share

The same seven pairs get quoted everywhere. This is what the etymological database reconstructs.

FinnishHungarianReconstructedLevel
FinnishkalaHungarianhalReconstructed*kalaLevelProto-Uralic
FinnishkäsiHungariankézReconstructed*käteLevelFinno-Ugric
FinnishvesiHungarianvízReconstructed*weteLevelProto-Uralic
FinnishveriHungarianvérReconstructed*wireLevelFinno-Ugric
FinnishkolmeHungarianháromReconstructed*kolmeLevelFinno-Ugric
FinnishmennäHungarianmenniReconstructed*mene-LevelProto-Uralic
FinnishelääHungarianélniReconstructed*elä-LevelProto-Uralic

Hungarian turned the old *k into h before a back vowel and kept it before a front one, which is why kala became hal while käsi stayed kéz. The database’s own commentary on *kolme states the other half: the original *lm cluster became *rm in Hungarian and Mansi, so *kolme went through *korme to arrive at három.4

The same entry compares *wete with the Indo-European word behind Latin unda, Gothic wato and Old Church Slavonic voda. Finnish vesi resembles Russian voda about as much as it resembles Hungarian víz, and Russian is not related to it at all.

What knowing one buys you in the other

The relationship pays out in grammar and not in vocabulary. Both languages have no grammatical gender, ten or more cases, and are classified as strongly suffixing.5 Neither distinguishes he from she: Finnish uses hän, Hungarian uses ő. Both put possession in a suffix on the noun rather than in a separate word.

So somebody who has fought their way through Finnish cases arrives at Hungarian with the right instincts about how a word is built. That is worth a week, and nothing after it, because the instinct tells you where the information is hiding and never what the word means. Word order does not even transfer: the same reference atlas records Finnish as SVO and Hungarian as having no dominant order at all.

Two things get listed as shared features that should not be. Vowel harmony exists in both, and the systems are not the same, with different neutral vowels and different suffix inventories. And the absence of a future tense is only true of Finnish, which uses the present; Hungarian has a real periphrastic future built with fog and an infinitive.

Two worn enamel street signs on a red brick wall in Helsinki reading Telakkakatu and Docksgatan
One street, two official names, and not a letter pattern in common. Finnish and Swedish are unrelated languages that have shared the same state for most of a thousand yearsPhoto: Coen / Wikimedia Commons

Estonian is the relative that pays

Estonian is the comparison people actually want, and it has been measured.

In a 2019 study, Härmävaara and Gooskens tested young Finns and Estonians with no prior study of the other language, using the same hundred-word instrument applied across seventy European language pairs.

Finns on EstonianEstonians on Finnish
Spoken words identifiedFinns on Estonian42.4%Estonians on Finnish51.9%
Written words identifiedFinns on Estonian46.6%Estonians on Finnish49.7%
Non-cognates identifiedFinns on Estonian6.8%Estonians on Finnish42.7%

Their own calibration: a Finn reading Estonian scores about where a Bulgarian reader scores on Slovene.6

The third row is the one that explains the asymmetry. A non-cognate is a word with no shared ancestry, so it is unguessable by definition. Estonians got 42.7 per cent of them anyway, which can only be learning: decades of Finnish television, and a great deal of working in Finland. The relationship is symmetrical and the exposure is not.

The false friends do worst of all, translated correctly between 2.4 and 4.7 per cent of the time in the study the paper cites.6

EstonianMeansFinnish look-alikeMeans
EstonianhallitusMeansmouldFinnish look-alikehallitusMeansgovernment
EstonianraamatMeansbookFinnish look-alikeRaamattuMeansBible
EstonianmajaMeanshouseFinnish look-alikemajaMeanshut, cabin, den
EstoniantaluMeansfarmFinnish look-aliketaloMeanshouse

Those four are the ones documented on both sides. Most published lists run to twenty or more pairs, and a good proportion do not survive a check against an Estonian dictionary.

Raamat and Raamattu are the pick of them. They are not a coincidence at all: both descend from Greek grammata, writings. The words most likely to trap you are the ones that really are related.

Ferries at the Old City Harbour in Tallinn
Two hours from Helsinki. This crossing is why Estonians understand Finnish better than Finns understand EstonianPhoto: Jean-Pierre Dalbéra / Wikimedia Commons

Finnish and Swedish sit in different families, and it takes one query to show it: the standard reference catalogue files Finnish under Uralic and Swedish under Indo-European.7

Then look at the vocabulary. In a study applying the Loanword Typology core-meaning list to Finnish, 26.3 per cent of the sampled meanings were borrowed, and 69 per cent of those loans came from Swedish or its earlier Germanic stages - roughly 18 per cent of the sampled vocabulary, arriving in layers from Proto-Germanic through Old Norse and Old Swedish to the modern language.8

The traffic runs almost entirely one way. Standard Swedish took a handful of Finnish words, mostly for cold-weather objects: pojke from poika and känga from kenkä. Not sauna, which Swedish usually renders with its own compound bastu.

Swedish is one of Finland’s two national languages alongside Finnish, and a first language for 284,611 people - five per cent of a population of 5.66 million at the end of 2025.9 That status is why street signs in Helsinki carry two names, and it is where the whole argument becomes visible on a wall: Telakkakatu and Docksgatan name the same street in two languages that share no ancestor and a great deal of dictionary.

An enamel street sign in Budapest reading Kármán utca
Budapest. Same family as the Helsinki sign above, four thousand years apart, and nothing on either plate helps you read the otherPhoto: Serge Bystro / Wikimedia Commons

Hungarian is family that shares nothing you can use. Swedish is unrelated and lent Finnish a fifth of its everyday vocabulary. So when somebody tells you Finnish is a Scandinavian language, the correction is not that it is Uralic. It is that the resemblance they are hearing is the loanwords, and the family they are naming is the one Finnish took them from.

Footnotes

  1. Drastic demographic events triggered the Uralic spread - Grünthal et al., Diachronica 39(4), 2022, accepted manuscript hosted by the University of Helsinki ↩

  2. Uralic archaeolinguistics - Vesakoski, Salmela and Piezonka, draft chapter for the Oxford Handbook of Archaeology and Language, University of Turku ↩

  3. Ancient DNA reveals the prehistory of the Uralic and Yeniseian peoples - Zeng, Vyazov, Kim et al., Nature 644, 2025 ↩

  4. Uralonet entries 228, 271, 341, 536, 1142 and 1152 - Uralisches Etymologisches Wörterbuch, Hungarian Research Centre for Linguistics ↩

  5. WALS Online, features 26A, 30A, 49A and 81A for Finnish and Hungarian - World Atlas of Language Structures Online ↩

  6. Mutual intelligibility of Finnish and Estonian vocabulary - Hanna-Ilona Härmävaara and Charlotte Gooskens, Lähivõrdlusi. Lähivertailuja 29, 2019 ↩

  7. Glottolog 5.3, Finnish - Max Planck Institute for Evolutionary Anthropology. Swedish is catalogued under Indo-European at glottolog.org/resource/languoid/id/swed1254 ↩

  8. Quantifying loanwords: a study of borrowability in the Finnish lexicon - Sandra Cronhamn, Lund University. A master’s thesis applying the Loanword Typology core-meaning list, so the percentages describe that 1,825-item sample rather than the whole lexicon ↩

  9. Language according to age and sex by region, 1990-2025 - Statistics Finland, population structure, figures for 31 December 2025 ↩

sisu - a woman in a reflective work jacket pushing a bicycle up a slushy hill into driving sleet, a plain Finnish apartment block behind her
sisu The noun is the export. Finns reach for a different form of it
kalsarikännit - a man in a knitted cardigan and underwear in an armchair with a beer, thawing spring fields through the window
kalsarikännit Trousers off, curtains shut, nowhere to be
mä - two people talking on the shore of an autumn lake beside a wooden jetty
mä written minä The word every textbook spells with three more letters
kiitos - a waitress setting a beer down for an older man on a summer lake terrace
kiitos Finnish has no word for please, and this is what fills the gap

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Questions people ask

Can Finns and Hungarians understand each other?

Not at all. Nobody has measured it, because there is nothing there to measure. The Finnish and Estonian pair has been measured, and that is the comparison that has.

How old is the split between Finnish and Hungarian?

The current estimate is about 4,000 to 4,500 years, and it has moved down recently. Older work put Proto-Uralic anywhere from 5,000 to 7,000 years ago, and English-language content still repeats the high end.

Why did the date change?

The old date came from assuming that Finnish's oldest Indo-European loanwords were borrowed from Proto-Indo-European. Later work argued they came from Proto-Indo-Iranian instead, which is much later and better dated, so the whole chronology shifted with the anchor.

Is Finnish a Scandinavian language?

No. Finnish is Uralic and Swedish is Indo-European, and they belong to different families entirely. A thousand years of contact produced a very deep layer of loanwords and no relationship.

How similar are Finnish and Estonian?

Close enough to guess about half the words in isolation, and not close enough to hold a conversation. The understanding runs asymmetrically: Estonians do better on Finnish than Finns do on Estonian, and the reason is exposure rather than structure.

What does Finno-Ugric mean, and is it the same as Uralic?

Finno-Ugric is the non-Samoyedic part of Uralic, so it is a subset rather than a synonym. Recent work notes that almost no shared sound changes define it, which puts its status as a real branch in question.

Do Finnish and Hungarian both have no future tense?

Finnish uses the present tense for future meaning. Hungarian has a real periphrastic future built with fog and an infinitive, so this is a half-truth that gets listed as a shared feature more often than it should.

How many people speak Uralic languages?

Around 25 million in total, and Finnish and Hungarian are most of that. Hungarian has roughly 12 to 13 million native speakers, most but not all of them in Hungary, and Finland had 4.72 million first-language Finnish speakers at the end of 2025.