How do you say chestnut in Chinese?
— 板栗; 栗; 栗

Generic synonyms for chestnut in Chinese
brown褐色 (hèsè), 棕色 (zōngsè), 咖啡色 (kāfēisè)
horse馬, 马 (mǎ)
tree樹, 树 (shù), 喬木, 乔木 (qiáomù)
wood木