What’s the Difference Between “Chu” and “Buchu” in Japanese?

Have you ever given someone a quick, gentle kiss?

Or planted a big, enthusiastic kiss on someone you love?

In Japanese, these two kinds of kisses can be expressed with similar but very different sounds:

Chu (ちゅっ)

Buchu (ぶちゅっ)

They both describe a kiss, but the strength, energy, and feeling are quite different.

Differences Between “Chu” and “Buchu”

ExpressionMeaningNuance
Chu (ちゅっ)A quick, gentle kissLight, sweet, affectionate
Buchu (ぶちゅっ)A big, forceful kissStrong, enthusiastic, exaggerated

In short:

  • Chu → a light, quick kiss
  • Buchu → a big, enthusiastic kiss

Examples in Daily Life

Example 1: A gentle kiss (Chuu)

The mother mouse leaned down and gave her little one a soft kiss on the cheek —

chu!

Example 2: A big affectionate kiss (Buchuu)

The mother mouse hugged her little one tightly and planted a big, enthusiastic kiss on his cheek —

buchu!

Try Using Them!

A quick little kiss on someone’s cheek?
→ Say chu!

A big kiss with lots of energy and affection?
→ Say buchu!

Same kiss —
but a very different amount of enthusiasm!

More Comparison Series

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