旗帜
qízhì · HSK 7
ensign
🚩 旗 flag + 帜 banner; both chars mean flag, and 帜 carries the 巾 cloth radical
A synonym compound: 旗 and 帜 each already mean flag or banner, stacked together for emphasis. The 巾 (cloth) radical inside 帜 marks it as fabric, the stuff a banner is made of.