Mora & Rhythm: Why 来て, 切手, and 聞いて Are All Different Lengths
English leans on stress. Japanese runs on a steady beat instead. Each unit of that beat is a mora (拍), and once you start counting moras correctly, a lot of your “foreign” rhythm quietly fixes itself. Take 来て, 切手, and 聞いて: they look almost the same, but they’re 2, 3, and 3 beats long.
What a Mora Is
A mora is one even beat of time. Japanese is mora-timed, meaning every beat takes roughly the same length, like a metronome ticking away. English is stress-timed: we stretch the stressed syllables and crush everything around them. That mismatch is why English speakers tend to race through some parts of a Japanese word and lean on others.
Almost every kana is exactly one mora. What catches people out are the three special cases that also count as a full beat.
What Counts as One Beat
- Each regular kana — か, さ, て… = 1 beat each.
- A small ゃゅょ merges with the kana before it: きょ = 1 beat, not 2.
- The small っ (geminate) = a full silent beat. 切手 きって is 3.
- ん = its own beat. 本 ほん is 2 beats.
- A long vowel (the second part of おう, えい, the ー mark) = an extra beat. 東京 is 4.
The 来て / 切手 / 聞いて Trio
How to Fix Your Rhythm
- Tap each beat on the table as you say a word. Give っ, ん, and long vowels their own tap.
- Don’t skip the silent っ. 切手 needs a real pause where the っ is — rush it and you’ve said 来て.
- Keep beats even. Resist the English urge to stress one part and swallow the others.
- Count moras when you learn a word, not just its meaning. Rhythm is part of the word.
Teacher's Note
When a student’s Japanese “sounds off” even though every individual sound is right, it’s almost always the rhythm. Romaji hides mora timing completely, so most learners never practice it at all. Tapping the beats out on a desk feels silly for about a day, and then it becomes one of the quickest accent upgrades you’ll get.
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