deficit; (financial) loss
亏 (kuī) · 3 strokes
Originally the same character as 于, depicting a musical wind instrument with a reed, which is now written as 竽. The current meaning is a phonetic loan.
损 (sǔn) · 10 strokes
Phonosemantic compound. 扌 represents the meaning and 员 represents the sound. Simplified form of 損.