落luò · là

to leave behind by accident. 12 strokes, radical 艹, first met in HSK 3.

Pinyin luò · làStrokes 12Radical 艹Band HSK 3Words 4

How to write 落

Strokes 1–3 write 艹, then strokes 4–12 write 洛.

Free, with no account: the app draws each stroke, then you write it and it says which stroke went wrong.

艹 (cǎo, grass) and 洛 (luò, a river in the Shanxi province).

艹 carries the meaning — plant — and 洛 carries the sound.

落(là)	to leave behind by accident 不小心忘记带走某样东西他把重要文件落在了车上。He left behind an important file in the car by mistake. Lesson 315, 岁月温情与使命在肩 · 匠心筑梦与浮世清晖 · Master Crafts, Ocean Dreams & Creative Vistas
落(luò)后(hòu)	fall behind 跟不上别人前进的速度旧的耕种方法早就落后于时代了。The old farming methods had long since fallen behind the times. Lesson 205, 节令农事与忙碌收获 · 乡村农业与田园风光 · Rural Agriculture, Countryside Life & Harvest Seasons
降(jiàng)落(luò)	to land (aircraft) 飞机等从空中下降到地面货机满载设备平稳降落了。The cargo plane, fully loaded, managed to land smoothly. Lesson 299, 街市繁华与实证通达 · 经世学林与市井清音 · Academic Scholarship, Civic Transit & Family Order
落(luò)实(shí)	to implement, put into practice 指把计划或要求切实执行到位各项安全规范得到严格落实。Every safety rule was strictly implemented. Lesson 455, 恪实经商 · 商海统筹与求真明理 · Commercial Strategy & Rational Inquiry

All 30 of them, and what the radical means, on the 艹 radical page.