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← Hearing hat and hut apart
Word pair

lack · luck The difference in meaning and sound

What they mean

Lack means not having enough of something: "a lack of sleep", "she lacks experience". Luck is chance, good or bad: "good luck", "just my luck", "we were lucky".

lack · luck7/20
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Hear both words in 10 voices

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lack
US IPA: /læk/
luck
US IPA: /lʌk/
Speed
  • American woman, younger
  • American woman, older
  • American man, younger
  • American man, older
  • British woman, younger
  • British woman, older
  • British man, younger
  • British man, older
  • Australian woman
  • Australian man

What's different

The k at the end cuts both vowels short, so length helps less here than in pairs like bag and bug. Listen to the color instead: lack is bright and flat, with a touch of the e in bet, and luck is a dull, short "uh".

In British voices, the a of lack is more open and drifts toward the u of luck, which makes those voices the hardest test. Get the American voices right first.

Studies: Lambacher et al. 2002 · Lambacher et al. 2005 · Nishi & Kewley-Port 2007

Listen for

æ (hat) is wide and bright. ʌ (hut) is short and relaxed.

More word pairs with these sounds

Hearing hat and hut apart: all 18 pairs →

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