烟yān
smoke, a cigarette. 10 strokes, radical 火, first met in HSK 3.
How to write 烟
Strokes 1–4 write 火, then strokes 5–10 write 因.
Free, with no account: the app draws each stroke, then you write it and it says which stroke went wrong.
Print a 米字格 practice sheet for 烟 · the stroke-order rules
What 烟 is made of
火 (huǒ, fire) and 因 (yīn, cause).
火 carries the meaning — fire — and 因 carries the sound.
Words that use 烟
| 烟 | smoke, a cigarette 点着后能用嘴吸的那种东西，也指燃烧时冒出的白气 生产作业区内严格禁止吸烟。Inside the production zone, smoking is strictly forbidden. Lesson 229, 现场督导与公共安全 · 商业洽谈与公共秩序 · Business Negotiations, Urban Order & Safety Precautions |
| 抽烟 | to smoke 把香烟点着，吸进又吐出烟雾 楼道里明确禁止住户抽烟。Residents are strictly forbidden to smoke in the stairwell. Lesson 262, 家居清扫与细致严谨 · 市井百态与经世策应 · Civic Commerce, Everyday Chores & Community Life |
| 吸烟 | to smoke (cigarettes) 点燃香烟吸入又吐出烟雾 车间严禁在场内吸烟。The workshop strictly forbade smoking indoors. Lesson 359, 规矩自修与精微技艺 · 研精励志与健步逐风 · Academic Strategy, Campus Craftsmanship & Sports Vigor |
| 烟花 | fireworks 指节日燃放的彩色花火 节日的夜里放起烟花，沿海城市灯火通明。On the festival night fireworks went up. Lesson 668, 血液循环 · 行稳致远与宏图大展 · Prudent Governance & Grand Strategy |
Characters that share the sound part 因
Written with the same phonetic, so their readings tend to rhyme with each other.
More characters with the radical 火
All 19 of them, and what the radical means, on the 火 radical page.