Deze tweeklanken komen veel voor in het Nederlands. Voorbeelden: huis, koud, neus, boek.

(These diphthongs occur very often in Dutch. Examples: huis, koud, neus, boek.)

What are ui, ou, eu and oe in Dutch?

  • These are vowel sounds, written with two letters (diphthongs or long vowels).
  • They often change the meaning of a word if you pronounce them wrong.
  • There is no 1‑to‑1 match with English vowel sounds, so your English “feeling” for spelling will often be wrong here.

Focus first on: recognising the sound and seeing the spelling. Then practise speaking.

Overview: the four main sounds

Spelling Approximate sound Examples English help
ui one sound, like “ow” + a bit of “uh” huis, muis, thuis no real equivalent; think “h-ow-ss” but shorter
ou / au like English “ow” in “cow” koud, hout, goud similar to “how
eu like French “peu”; rounded lips neus, deur, geur between English “uh” and “er”
oe like English “oo” in “book” or “food” boek, moe, doel similar to “book / food”

Tip: For A1, it is more important to hear the difference than to describe it perfectly.

ui vs. ou: a very common problem

Many learners mix up ui and ou. But for Dutch ears, the difference is big.

  • ui: your mouth moves from open to more closed. The sound changes inside one syllable.
  • ou: similar to English “ow” and stays more stable.
Spelling Word Meaning Rough pronunciation
ui huis house h-ow-ss (but shorter, more central)
ou hout wood h-ow-t (like English “out”)

Strategy: When you see ui, exaggerate the sound at first. Make it feel clearly different from English “out”.

eu vs. oe: keep them apart

  • oe is easy for English speakers: like “oo”.
  • eu is new: the tongue is in the middle, lips are rounded.
Spelling Word Meaning Rough pronunciation
oe boek book like English “book”
eu neus nose “n” + French “peu” sound

Mini check: If you can say boek – neus and really hear two different vowel sounds, you are on the right track.

Spelling rules that help you guess the sound

  • ui is almost always this same sound: huis, muis, uit, buiten.
  • ou and au are the same sound in modern Dutch:
    • koud, hout, goud
    • automaat, saus
  • eu stays “eu” in almost all words you meet at A1: deur, neus, sneu.
  • oe is always the “oo” sound: boek, moe, stoel, broer.

Good news: At A1 level, there are practically no exceptions you must learn. The spelling is very stable.

Pronunciation: what to do with your mouth?

  1. ui
    • Start with something like English “a” in “cat”.
    • Quickly move towards something like “oo”.
    • Say it as one short sound, not two separate vowels.
  2. ou / au
    • Start with “a” as in “father”.
    • Move to “oo” as in “too”.
    • Like English “ow” in “now”.
  3. eu
    • Say “uh” as in “bus”.
    • Now round your lips, keep the tongue position.
    • Hold it as one steady sound.
  4. oe
    • Like “oo” in “food”, but often a bit shorter.
    • Lips rounded, tongue pulled back.

Practical tip: Stand in front of a mirror and look at your lips while saying pairs like huis – hout – neus – boek.

Minimal pairs: train your ear

Listen for where the sound changes the meaning.

Pair Meaning Focus sound
huishout house – wood ui vs. ou
muurmuis wall – mouse uu vs. ui
neusnoos (wrong spelling, should be neus) nose – noos (does not exist) eu vs. oe
doeldeel goal – part oe vs. ee

When you hear a new word, ask yourself: Which vowel do I hear? ui, ou, eu or oe?

Typical mistakes to avoid

  • Writing English‑style:
    • houshuis
    • koutkoud
    • doochedouche (here the vowel is actually ou in the spoken word)
  • Using oe where you need ui:
    • hois, huiszhuis
  • Using ou where you need oe:
    • boutkboek

Rule of thumb: If you know the word is “house” in English, in Dutch it is huis, never hous, hois or huisz.

The “mix”: zoet, zout, zuid

These three are useful to train ue / ou / ui in one go.

Dutch Sound Meaning
zoet oe sweet
zout ou salty
zuid ui south

Say them slowly in a row: zoet – zout – zuid. Feel how your mouth changes.

Useful everyday words to anchor the sounds

  • ui: huis (house), thuis (at home), cursusruimte (course room), muis (mouse, also computer mouse).
  • ou / au: koud (cold), hout (wood), goud (gold), oud (old).
  • eu: deur (door), neus (nose), geur (smell, scent), kleuren (colours).
  • oe: boek (book), moe (tired), doel (goal), stoel (chair).

Connect each sound to a picture in your mind. For example: for huis, imagine your own house.

Step‑by‑step: how to practise alone

  1. Step 1 – Listen
    • Play the audio of the word lists from your book.
    • Just listen and point at the spelling: ui, ou, eu, oe.
  2. Step 2 – Repeat
    • Repeat each word out loud 3–5 times.
    • Record yourself on your phone and compare with the audio.
  3. Step 3 – Mix
    • Say short “chains”: huis – hout – neus – boek.
    • Change the order and keep the vowels clear.
  4. Step 4 – Use in sentences
    • Make very short sentences: “Ik heb een huis.”
    • Then extend: “Ik heb een klein huis in Utrecht.”

Self‑check: do I understand this?

  • Can you hear the difference between huis and hout?
  • Can you pronounce the three “z‑words”: zoet – zout – zuid so that they all sound different?
  • Can you see a new word like geur and know it must be the eu sound?
  • Can you read a short sentence like “Ik ben moe” and be sure the vowel is oe (like “oo”)?

If you can answer “yes” to most points, you are ready to use these sounds in conversation and focus on fluency in class.

Klank (Sound)Voorbeelden (Examples)
uiHuis, lui, muis
ouKoud, goud, hout
euNeus, deur, geur
oeBoek, moe, doel
mixZoet, zout, zuid

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This content has been designed and reviewed by the coLanguage pedagogical team: About coLanguage

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Kato De Paepe

Business and languages

KdG University of Applied Sciences and Arts Antwerp

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Last Updated:

Wednesday, 18/02/2026 18:26