Explore 吸 in everyday actions and compounds. Learn each reading together with its word.
The idea
吸 has 6 strokes. 吸う is read すう; compounds such as 呼吸 and 吸収 use きゅう. Follow the linked stroke diagram and use the table to compare words.
| Japanese word | Reading | Example in context |
|---|---|---|
| 吸う | すう | I breathe in fresh air. |
| 呼吸 | こきゅう | Take a deep breath. |
| 吸収 | きゅうしゅう | Plants absorb water through their roots. |
| 吸い取る | すいとる | The vacuum cleaner sucks up dust. |
Examples
- 新鮮な空気を吸います。I breathe in fresh air.
- 赤ちゃんはストローでミルクを吸います。The baby sucks milk through a straw.
- 父はたばこを吸いません。My father does not smoke.
- 深い呼吸をしてください。Take a deep breath.
- 植物は根から水を吸収します。Plants absorb water through their roots.
- 掃除機はほこりを吸い取ります。The vacuum cleaner sucks up dust.
Read-aloud uses a synthetic Japanese voice available on your device. Voice quality and availability vary; it does not assess your pronunciation.
No Japanese device voice is available. You can still read the text and use the linked listening resources.
Watch out
吸う can mean inhale, suck or smoke depending on its object. 吸収 means absorption, not breathing; do not apply すう to every compound.
Try it yourself
Write the reading of 吸う in hiragana.
Show answer or example answer
すう
吸う is すう: 空気を吸う means to breathe in air.
Write the reading of 呼吸 in hiragana.
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こきゅう
呼吸 is こきゅう: 深い呼吸 means a deep breath.
Choose the missing kanji: _収(きゅうしゅう)[吸/呼].
Show answer or example answer
吸
吸 completes 吸収(きゅうしゅう), absorption; plants absorb water.
Practice round
Answer questions, then rebuild Japanese sentences where available. We keep your score.
Write the reading of 吸う in hiragana.
Write the reading of 呼吸 in hiragana.
Choose the missing kanji: _収(きゅうしゅう)[吸/呼].
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
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Write 吸 following the diagram, cover the table, then read 吸う and 呼吸 and make a sentence.

