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ʌ (buddy) is short and relaxed. ɑ (body) is open and deep.
This can be trained
Hearing buddy and body apart is a skill, not a talent. In a study by Nishi and Kewley-Port (2007), Japanese learners trained for 9 days on three English vowels, including the ones in buddy and body. On those vowels, they went from 38% to 76% correct, and 3 months later they were still at 65%.
Studies: Lambacher et al. 2002 · Lambacher et al. 2005 · Nishi & Kewley-Port 2007
Easy
6 pairsShort, common words. For consonants, the sound is at the start of the word.
- hut · hot
- cut · cot
- nut · not
- cup · cop
- duck · dock
- luck · lock
Medium
2 pairsClusters, word endings or less common words.
- shut · shot
- stuck · stock
Hard
2 pairsMiddle of the word and longer words.
- buddy · body
- rubber · robber
How to hear the difference between buddy and body
Listen to how open and how long the vowel is. The ʌ in buddy is short and relaxed, a quick "uh". The ɑ in body is deep and wide open, the "ah" you say for a doctor, and in American English it's longer too. The skill is catching that difference every time, in every voice.
How ʌ and ɑ are made
For ʌ, the mouth is only half open and everything is relaxed. The tongue sits in the middle of the mouth. It's the short "uh" that slips out when something surprises you.
For ɑ, the jaw drops all the way and the tongue lies low and pulled back, as when a doctor asks you to say "ah". The lips stay unrounded. In American English, ɑ is also clearly longer than ʌ.
British English uses a different vowel in body, hot and cop: ɒ, short and made with slightly rounded lips, close to a quick Japanese オ (o).
Why do buddy and body sound the same to Japanese speakers?
Katakana does spell these two differently, but not the way Americans say them. Hot is ホット (hotto) and cop is コップ (koppu), with an o, while hut is ハット (hatto) and cup is カップ (kappu), with an a. That o comes from the spelling and from British English. In American English, the vowel of hot and body is an open "ah", so to Japanese ears an American hot sounds like ハット, and body sounds like バディ (badi), the katakana for buddy.
So learners wait for an o that American speakers never say, and hear the American ɑ as the same "a" as ʌ. Japanese has only one "a", and the ʌ in hut, the ɑ in hot and the æ in hat all land on it.
What to listen for
In American voices, listen for depth and length. ɑ is the deeper, wider and longer of the two. ʌ is quick and less open, so it sounds duller and more muffled.
In British voices, listen to the lips. The ɒ of hot and body is short and slightly round, close to オ, while ʌ is open and unrounded, closer to ア. Here the katakana is roughly right.
In buddy and body or rubber and robber, only the first vowel differs, and everything after it is the same. Put all your attention on that first vowel.
When it matters: meaning
Mix them up and you get a different word. A buddy is a friend, your body is you. A hut is a small cabin, hot is a temperature. Luck is chance, a lock keeps a door shut. A duck is a bird, a dock is where boats tie up. A cup holds coffee, a cop is a police officer. Rubber is a material, a robber steals.
Everyday phrases turn on it too. "I'm stuck" means you can't move, while "in stock" means a shop has it, and "good luck" is a wish that "good lock" isn't.
How to practice hearing buddy and body
Use American and British voices alike. The cue changes with the accent, depth and length in one and rounded lips in the other, so hearing both teaches you the contrast whichever English you meet.
Check each answer right away, keep sessions short, and go in order: short words like hut and hot or cup and cop first, then clusters like stuck and stock, then longer words like buddy and body or rubber and robber.
Don't stop at this one pair. The ʌ of buddy is the vowel of hut, which learners also confuse with the æ of hat, and the ɑ of body is easy to confuse with æ too. In the Nishi and Kewley-Port study, the learners who trained on three vowels didn't get any better at the six they hadn't practiced, while those who trained on all nine improved across the board. TellApart has hat · hut and hat · hot as collections of their own.
Hearing first can help your speaking too, though not for every vowel. In a study by Lambacher and colleagues (2002), Japanese learners practiced only listening for 6 weeks, on five English vowels. Afterwards, American listeners preferred their pronunciation of the ɑ in body, but couldn't tell their ʌ in buddy from before training. How quickly you improve differs from person to person, so aim for short, regular sessions.
Related sound pairs
All 233 minimal pairs on one printable page →How English vowels map onto Japanese ones →How the app uses this list
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