like: Kessel → →
der Kessel ☊ 
ấm đun nước ☊ 
☊ Kessel ☊ 锅, 烧水壶 ☊ guō, shāoshuǐhú boil sth: I'll boil the kettle and make some tea. ☊ boil ☊
With the new boiler you can make big savings on fuel bills. ☊ saving ☊
The boiler uses solid fuel. ☊ solid ☊
the whistle of a boiling kettle ☊ whistle ☊
The kettle began to whistle. ☊ whistle ☊