牡丹
mǔ dan · HSK 7
peony
牡 male animal + 丹 cinnabar red; used here as a place name in Shandong and Taiwan
Sound hook: mǔ-dan echoes moo-Dan, where moo nods to 牡 (a male animal) and Dan stands in for 丹 (cinnabar red). Same characters also name the peony flower.