- 唾沫星子 tuòmoxīngzi spray of salivasmall drops of spittle or a spray of saliva, such as when speaking forcefully speaking
- 星子炭 xīngzitàn charcoalsmall bits of charcoal that float on water, used in specific contexts such as tea ceremonies or traditional heating
- 火星子 huǒxīngzi sparka tiny bit of fire or a glowing fragment emitted from a burning substance