smooth (without difficulty)

(chiefly business) operation (method or practice) / Especially, synonym of 公開市場操作 (kōkai shijō sōsa, “open market operation”)

bone / (onomatopoeia) kaboom / (onomatopoeia) boing / (onomatopoeia) bong

sabre (modern fencing sword modeled after the sabre)

a gargoyle

(rare) thunder

a wafer (the food item)

(board games) xiangqi

xylitol (an alcohol)

'ammiyya (vernacular Arabic)