unusual; abnormal
反 · 4 strokes
Pictograph of a hand (又) climbing a cliff (厂). Based on original meaning "climb", now written as 扳. The meaning later shifted to "pull" and "reverse".
常 · 11 strokes
Phonosemantic compound. 巾 represents the meaning and 尚 represents the sound. Based on the original meaning, "lower garment", now written as 裳. The current meaning is a phonetic loan.