- 自来水笔 zìláishuǐbǐ fountain pena pen with a reservoir or cartridge that automatically feeds ink to the nib; same as [[钢笔|鋼筆|gang1 bi3]]
- 水笔仔 shuǐbǐzǐ kandeliaAn evergreen mangrove tree or shrub found in tropical and subtropical estuaries; it is known for being viviparous, with seeds that germinate and grow long roots while still attached to the parent plant before falling into the mud.