HSK 7-9
泛滥
fànlàn动
to overflow; to inundate; to flood; (fig.) to proliferate unchecked
暴雨使河水泛滥淹没农田。
Bào yǔ shǐ hé shuǐ fàn làn yān mò nóng tián.
Heavy rain caused the river to overflow and flood farmland.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.