Japanese · 日本語
English accent training for Japanese speakers
Japanese has one liquid consonant, five vowels, and a syllable structure that is almost entirely consonant-plus-vowel. English has two liquids, more than a dozen vowels, and words like 'strengths'. On top of that, katakana gives every borrowed English word a fixed Japanese pronunciation that then has to be unlearned.
The katakana layer is the important insight: it is not that the sounds are hard, it is that a second, competing pronunciation has already been memorised for thousands of English words. Separating the two is where progress starts.
The sounds Japanese speakers get wrong most often
/l/ vs /r/
Japanese ら行 is a single alveolar flap sitting between English /l/, /r/ and /d/, so 'right' and 'light', 'collect' and 'correct' merge.
Test yourself: right / light · rice / lice · pray / play · arrive / alive
How to fix it: /l/ = tongue tip firmly on the ridge and held. /r/ = tongue tip touches nothing, curled back, lips slightly rounded. If your tongue taps quickly, that is the Japanese flap, not either English sound.
Vowel epenthesis
Japanese syllables end in a vowel or /n/, so English final consonants and clusters attract extra vowels: 'desk' → 'desuku', 'McDonald's' → 'makudonarudo'.
Test yourself: desk · milk · strike · card · texts
How to fix it: Stop the word at the consonant. Count the beats — 'desk' is one, not three. Whisper the ending consonant first if voicing it pulls a vowel along.
/f/ and /v/
Japanese ふ is bilabial, and /v/ does not exist. 'Food' gets a two-lipped f and 'very' becomes 'berry'.
Test yourself: food · fun · very / berry · leave · five
How to fix it: Top teeth on bottom lip for both. /f/ is breath only, /v/ buzzes. The two lips must never meet.
/θ/ and /ð/
Th becomes /s/ or /z/: 'think' → 'sink', 'this' → 'zis'.
Test yourself: think / sink · three · this · mother
How to fix it: Tongue tip forward against the top teeth with air flowing over it — a position Japanese never uses, so it needs conscious placement.
/s/ before /i/
Japanese /s/ becomes [ɕ] before /i/, so 'see' comes out as 'she' and 'sit' as 'shit'.
Test yourself: see / she · sea / she · sip / ship · seat / sheet
How to fix it: Keep the tongue forward and the groove narrow for /s/ regardless of the vowel that follows. Practise 'sa-se-si-so-su' keeping the /s/ identical throughout.
/æ/ vs /ʌ/
Japanese あ covers both, so 'cat' and 'cut', 'bad' and 'bud' merge.
Test yourself: cat / cut · bad / bud · ran / run · match / much
How to fix it: /æ/ opens the jaw wide and spreads the lips; /ʌ/ is short, central and neutral. Two fingers between the teeth for /æ/, one for /ʌ/.
/w/ and /j/ gaps
Japanese lacks the /wi/, /we/, /wo/ and /ji/, /je/ combinations, so 'we', 'woman' and 'year' get restructured.
Test yourself: we · woman · wood · year · yes
How to fix it: Start from the rounded lip shape for /w/ or the high tongue for /j/, then move. The movement is the sound.
Word-final /n/ vs /ŋ/ vs /m/
Japanese ん assimilates to whatever follows, so 'sun', 'sung' and 'sum' converge.
Test yourself: sun / sung / sum · thin / thing · ban / bang
How to fix it: Fix the final position deliberately: tip on the ridge for /n/, back of the tongue up for /ŋ/, lips closed for /m/. Hold the ending for a full beat while drilling.
Mora-timing versus stress-timing
Japanese is mora-timed: each mora gets roughly equal duration, which is why Japanese speech has such a steady pulse. English is stress-timed and deeply uneven. A stressed syllable can be three or four times longer than an unstressed one right next to it.
Transferred directly, mora-timing produces English where every syllable is fully pronounced and equally long. It is perfectly intelligible in short phrases but becomes hard to follow in longer sentences, because listeners cannot find the important words.
Work on reduction, not speed. 'Do you want to go?' spoken naturally is roughly 'd'ya wanna go' with the weight on 'go'. Speaking faster while keeping every syllable full makes comprehension worse, not better.
A 10-minute daily practice routine
- L/R minimal pairs in a mirror: right/light, rice/lice, pray/play. Check the tongue tip.
- Beat-counting: tap once per word for 'desk', 'milk', 'strike'. If you tap more than once, a vowel got in.
- Say 'sa-se-si-so-su' keeping /s/ constant, then move to 'see', 'sit', 'city'.
- Take a katakana loanword you use daily and drill the English pronunciation next to it until they feel like separate words.
Find out which of these apply to you
The 2-minute assessment records a short sample of your speech and scores it sound by sound, so you know which of the patterns above are actually costing you clarity — and which you have already solved.
Take the free assessment →Frequently asked questions
Why is L and R difficult for Japanese speakers?
Japanese has one liquid phoneme, an alveolar flap, and it sits acoustically between English /l/, /r/ and /d/. The ear was never trained to treat the difference as meaningful, so both production and perception need retraining — perception usually first.
How do I stop katakana pronunciation from taking over?
Treat the katakana form and the English form as two separate words with two separate spellings. Drilling them side by side — 'コーヒー' and 'coffee' — makes the switch conscious rather than automatic.
Should I speak faster to sound more natural?
No. Natural English comes from unequal syllable length, not from speed. Reduce the unstressed syllables and lengthen the stressed ones at a comfortable pace; the impression of fluency follows from the contrast.