| Word | Reading | Meaning |
|---|
| 呼吸 | こきゅう | breath, respiration; knack, trick, secret (of doing something) |
| 吸収 | きゅうしゅう | absorption, suction, attraction |
| 呼吸器 | こきゅうき | respiratory organs |
| 人工呼吸 | じんこうこきゅう | artificial respiration |
| 吸い殻 | すいがら | cigarette end (butt), tobacco ashes |
| 吸い込む | すいこむ | to inhale, to breathe in, to suck up, to imbibe; to absorb, to soak up |
| 吸引 | きゅういん | absorption, suction, aspiration, attraction |
| 吸う | すう | to smoke, to breathe in, to inhale; to suck, to sip, to slurp; to absorb, to soak up; to kiss |
| 吸着 | きゅうちゃく | adsorption, adsorb, attachment, sorption |
| 吸入 | きゅうにゅう | inhalation |
