difference; distinction; disparity
差 (chā) · 9 strokes
Depicts grain (來) being rolled between the fingers in the left hand (左). Based on the original meaning "rub between fingers", now written as 搓. The meaning later shifted to "uneven" and "error".
别 (Bié) · 7 strokes
Simplified form of 別. Depicts a knife (刂) cutting meat off of a bone (另).