The central diagnostic is simple but powerful: -i- marks several possessed things, not several owners. Compare könyvünk “our book” with könyveim “my books.” The first has plural owners but one item; the second has one owner but multiple items. This page contrasts the forms that English speakers most often confuse and gives a decision procedure for building the right one.
Ordinary plural -k or possessed plural -i-?
Use ordinary -k when no possessor is encoded on the noun: házak “houses,” autók “cars,” kérdések “questions.” Use the possessive plural built around -i- when the same set belongs or relates to someone: házaim, autóink, kérdéseitek.
A vendégek autói a szálloda mögött állnak, a többi autó az utcán van.
The guests' cars are parked behind the hotel; the other cars are in the street.
A kérdéseitek fontosak, de ezek a kérdések nem tartoznak a mai témához.
Your questions are important, but these questions do not belong to today's topic.
The final -k in ordinary kérdések pluralizes the noun. In kérdéseitek, the sequence -ei- pluralizes the possessed items and -tek identifies the owners as “you all.” Do not combine both strategies as kérdéseitekk or kérdésekitek.
Owner number and item number: a four-way contrast
The noun könyv gives a clean matrix:
| One item | Several items | |
|---|---|---|
| One owner: I | könyvem | könyveim |
| Several owners: we | könyvünk | könyveink |
A könyvem itt van, de a könyveim egy része még dobozokban áll.
My book is here, but some of my books are still in boxes.
A könyvünk közös ajándék volt; a könyveink nagy részét viszont külön vettük.
Our book was a shared gift, but we bought most of our books separately.
The same contrast applies to other plural owners: jegyetek/jegyeitek “your ticket/tickets” and tervük/terveik “their plan/plans.” Never infer the number of items merely from the English owner word our or their.
Az ő irodájuk kicsi, de az irodáik jó helyen vannak.
Their office is small, but their offices are in good locations.
Here irodájuk identifies plural owners with one office. Irodáik has plural possessed -i- and third-person plural owner -k. The identical letter k can be an ordinary noun plural in other words, but in irodáik it occupies the owner slot.
An unquantified set versus a stated quantity
Hungarian uses possessed -i- for a plural set whose exact quantity is not expressed: könyveim “my books.” A numeral or quantity word already carries plurality, so the noun remains in its singular possessive form: öt könyvem “my five books,” sok könyvünk “our many books,” néhány könyvetek “a few books of yours.”
A jegyeink már megérkeztek, de két jegyünk rossz dátumra szól.
Our tickets have arrived, but two of our tickets are for the wrong date.
Sok ügyfelük külföldön él, az ügyfeleik többsége mégis magyarul beszél velük.
Many of their clients live abroad, yet most of their clients speak Hungarian with them.
Sok ügyfelük lacks -i- because sok quantifies the noun. Ügyfeleik többsége begins with an unquantified possessive plural, then többsége means “its majority/most of it.” English plural marking remains present after numerals, so this Hungarian singular-form rule requires deliberate practice.
The existential verb follows the same Hungarian number pattern:
Van négy szabad helyünk, de nincsenek előre lefoglalt helyeink.
We have four available seats, but we don't have any seats reserved in advance.
Singular van goes with négy ... helyünk; plural nincsenek goes with unquantified helyeink. The actual real-world count is plural in both clauses, but grammatical number differs.
Overt noun possessor versus pronominal possessor
An overt plural lexical possessor normally takes default third-person singular agreement on the possessed noun. The possessed items can still be plural:
| Possessor | One item | Several items |
|---|---|---|
| overt plural noun | a diákok könyve | a diákok könyvei |
| plural pronoun | az ő könyvük | az ő könyveik |
A diákok könyvei az első polcon vannak.
The students' books are on the first shelf.
Az ő könyveik a tanári szobában maradtak.
Their books were left in the staff room.
The difference between könyvei and könyveik concerns the owner-agreement slot, not the number of books: both contain possessed plural -i-. The overt noun diákok makes plural ownership visible and selects default agreement; pronominal az ő relies on final -k to identify plural owners. This anti-agreement pattern is structurally arbitrary from an English perspective and must be learned as a contrast.
The same applies to Önök (formal): az Önök dokumentumai, not az Önök dokumentumaik. If the formal pronoun is omitted, a dokumentumaik can mean “their documents” or, in an appropriate polite context, “your documents.”
A lexical possessor may additionally take dative -nak/-nek: a szomszédok autói and a szomszédoknak az autói both mean “the neighbors' cars.” The latter is the safe internal possessive pattern. Some speakers also allow plural agreement in a szomszédoknak az autóik when the dative possessor is interpreted as detached or resumptive; dative marking alone does not require that agreement. Hungarian can therefore mark both edges of the relationship: dative on the possessor and possessive morphology on the possessed item.
A szomszédoknak az autói nem férnek el ebben a keskeny udvarban.
The neighbors' cars do not fit in this narrow courtyard.
Case placement: whose ending comes last?
Possessed plural precedes the possessor ending, and the case comes after both. Compare the nominative base and an inflected form:
| Base | With case | Segmentation |
|---|---|---|
| házaim | házaimban | ház-a-i-m-ban |
| könyveink | könyveinkről | könyv-e-i-nk-ről |
| autóitok | autóitokat | autó-i-tok-at |
| kertjeik | kertjeikhez | kert-je-i-k-hez |
Átnéztük a dokumentumaitokat, és két hibát találtunk bennük.
We reviewed your documents and found two errors in them.
A régi barátaimról meséltem a gyerekeimnek.
I told my children about my old friends.
In dokumentumaitokat, accusative -at follows the complete possessive form. Barátaimról takes delative -ról, while gyerekeimnek takes dative -nek. Never insert the case before -i- or before the personal ending. The noun suffix-order contrast generalizes this template.
Stem class contrasts
The plural is not always a transparent addition of i to the citation form. Compare könyveim “my books,” kertjeim “my gardens,” programjaim “my programs,” autóim “my cars,” and barátaim “my friends.” Harmony explains a/e, but it does not fully predict j or stem alternation.
A programjaim automatikusan frissülnek, de a fájljaimról én készítek biztonsági másolatot.
My programs update automatically, but I make backups of my files myself.
This is a genuine lexical difficulty. Learn nouns with diagnostic possessive forms rather than inventing a universal shortcut: kertje–kertjei, programja–programjai, barátja–barátai, autója–autói.
Information structure and register
The owner pronoun is omitted in neutral discourse because the suffix already identifies it. Add it for contrast:
A TE fájljaid megvannak; az én fájljaim sérültek meg.
YOUR files are intact; it was my files that were damaged.
This contrastive pronunciation is normal in (informal and neutral) speech; ordinary writing uses lowercase unless typography deliberately represents spoken stress. Ön/Önök marks (formal) address. Possessed-plural morphology itself is neither formal nor informal and appears unchanged in conversation, journalism, administration, and academic prose.
Decision tree and diagnostic
- Is a possessor encoded? If no, use ordinary plural -k: könyvek.
- If yes, is the noun preceded by a numeral or quantity word? If yes, use a singular possessive form: három könyvem, sok könyvünk.
- Otherwise, are several possessed items meant? If yes, choose the possessed-plural -i- pattern: könyveim.
- Choose the owner ending: -m, -d, Ø, -nk, -tok/-tek, -k.
- If the owner is an overt plural noun or overt Önök, use default agreement: a diákok könyvei, az Önök könyvei.
- Attach case last: könyveinkből, könyveitekről.
As a final check, paraphrase the word in English as “several X belonging to Y.” Point to the segment expressing “several X” and then the segment expressing “Y.” If a numeral appears, explain why the plural segment is absent.
Short diagnostic exercise
Choose the standard form in each pair: (1) a tanárok jegyzetei / jegyzeteik, “the teachers' notes”; (2) az ő jegyzetei / jegyzeteik, “their notes”; (3) négy jegyünk / jegyeink, “our four tickets”; (4) jegyeinkből / jegyekünkből, “from our tickets.” The answers are (1) a tanárok jegyzetei, because the overt plural noun takes default agreement; (2) az ő jegyzeteik, because pronominal “their” requires final owner -k; (3) négy jegyünk, because a numeral suppresses -i-; and (4) jegyeinkből, because possessed plural precedes owner -nk and case -ből.
Common Mistakes
❌ Ezek a mi könyvünk.
Incorrect for 'these are our books' — könyvünk marks only one possessed book.
✅ Ezek a mi könyveink.
These are our books.
❌ öt könyveink
Incorrect — the numeral suppresses possessed-plural -i-.
✅ öt könyvünk
our five books
❌ a diákok könyveik
Incorrect in a standard simple possessive noun phrase — the overt plural noun takes default agreement.
✅ a diákok könyvei
the students' books
❌ Eladtuk a régi könyvekünket.
Incorrect — ordinary plural -k cannot be combined with a possessor ending in this way.
✅ Eladtuk a régi könyveinket.
We sold our old books.
Key Takeaways
- Ordinary plural -k and possessed plural -i- occupy different structures: könyvek versus könyveim.
- Owner number and item number are independent: könyvünk “our book,” könyveink “our books.”
- Numerals and quantity words require singular possessive morphology: két jegyünk, sok ügyfelük.
- Overt plural nouns take default agreement: a vendégek autói; pronominal possessors take plural agreement: az ő autóik.
- Build from inside out and put the case last: autó-i-tok-at, könyv-e-i-nk-ről.
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Start learning Hungarian →Related Topics
- Plural Possessed Things with -i-: Forms and Core PatternA2 — Build Hungarian forms for my, your, our, and their multiple possessions with the possessive plural marker -i- and correctly ordered case endings.
- Plural Possessed Things with -i-: Meanings and UsageA2 — Use Hungarian possessed-plural forms for sets of belongings, relatives, plans, and other concrete or abstract possessions.
- Plural Possessor Endings: Contrasts and Learner TrapsB1 — Distinguish plural owners from plural possessions, overt noun possessors from pronouns, and regular from j-containing possessive forms.
- Singular Possessed Forms: Contrasts and Learner TrapsA2 — Choose the correct Hungarian singular possessed form across stem classes, possessive pronouns, articles, number, and discourse focus.
- Noun Suffix Order: Contrasts and Learner TrapsB1 — Distinguish competing Hungarian noun endings and solve the boundary cases that cause incorrect suffix chains.