A great way to remember a character is by searching for patterns across all the words that contain it. Can you find similarities?
|区别||4||qū bié||difference, distinction; differentiate, distinguish|
|地区||5||dì qū||area, district|
|区分||6||qū fēn||discriminate, differentiate, distinguish|
|区域||6||qū yù||region, area, district, zone|