This is the 907th most frequent Japanese word.
栗
Chestnut.
栗 as a specific food item (chestnuts) emphasized by the act of eating in a seasonal context.
秋には焚き火で焼き栗を食べます。
In autumn, we eat roasted chestnuts by the bonfire.
栗 as a representation of the plant or tree.
栗の木は落葉広葉樹に分類されます。
Chestnut trees are classified as deciduous broadleaf trees.
栗 as an ingredient used in a culinary context.