What phrase is commonly used to replace "Bone of Contention" to convey the same meaning?

Heart of dispute

Seed of disagreement

Core of dispute

Apple of Discord

The phrase commonly used to replace "Bone of Contention" is "Apple of Discord."

It refers to a subject or issue that causes disagreement or conflict.

Bone of Contention means تنازعہ کی ہڈی

Apple of Discord means فساد کی جڑ