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Pronunciation · Minimal pairs · low functional load

/ð/ vs /d/ — they vs day

In short

The voiced dental /ð/ and the stop /d/ separate they/day, then/den and though/dough. Because /ð/ lives in the most frequent English words — the, this, that — the substitution is heard in nearly every sentence. This contrast carries a LOW functional load — it separates few word pairs, so while the substitution is noticeable, it rarely blocks understanding. Treat it as polish, not priority.

How to hear (and make) the difference

Let the air FLOW for /ð/ — tongue between the teeth, continuous buzz. /d/ blocks the air completely. Practise 'the' on its own until the buzz is automatic; it is the most common word in English.

Most challenging for Hindi, Urdu, Bengali, Spanish, Russian, Vietnamese speakers.

7 minimal pairs with audio

Play each side and copy it. Then read the pairs aloud — can a listener tell which word you said?

  • they/ðeɪ/
    day/deɪ/
  • then/ðen/
    den/den/
  • though/ðəʊ/
    dough/dəʊ/
  • there/ðeə/
    dare/deə/
  • worthy/ˈwɜːði/
    wordy/ˈwɜːdi/
  • breathe/briːð/
    breed/briːd/
  • lather/ˈlɑːðə/
    ladder/ˈlædə/

Test your ear

Perception comes before production: if you can't hear the contrast, you can't say it reliably. Free, unlimited, different voices each round.

Listening drill

/ð/ vs /d/ — they vs day

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Let the air FLOW for /ð/ — tongue between the teeth, continuous buzz. /d/ blocks the air completely. Practise 'the' on its own until the buzz is automatic; it is the most common word in English.

The contrast in sentences

Same sentence frame, different word — say both versions and make them unmistakably different.

  • They came at last.

    Day came at last.

  • It was there.

    It was dare.

Keep exploring

Frequently asked questions

What is the difference between they and day?
they /ðeɪ/ uses the /ð/ sound while day /deɪ/ uses /d/. Let the air FLOW for /ð/ — tongue between the teeth, continuous buzz. /d/ blocks the air completely. Practise 'the' on its own until the buzz is automatic; it is the most common word in English.
What are minimal pairs and why practise them?
Minimal pairs are word pairs that differ by exactly one sound (ship/sheep). Practising them trains your ear and mouth on the single difference that separates the words — perception research (high variability phonetic training) shows this transfers to real speaking.
Which learners find the /ð/ vs /d/ contrast hardest?
It is most challenging for Hindi, Urdu, Bengali, Spanish, Russian, Vietnamese speakers, whose first languages don't separate these two sounds.
Do these pairs matter for IELTS Speaking?
They help. IELTS scores intelligibility, so contrasts that change word meaning matter most — this one is worth practising once the high-priority vowel contrasts are stable.

Next step

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SpeakMetry's Pronunciation Coach listens to you say each pair and tells you whether the contrast survived — plus which sound to fix and how.

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