take heed of VS pay heed to

How come nobody responded ? Let me try.

They have different meaning.

pay heed : very attentively, 非常尊注，用心。Like
They paid heed to every thing he said. 他們很用心在聽。
take head : consider carefully, 仔細思考。Like
Take heed of what you hear. 好好想一想你聽到的。

根據 Oxford Advanced Learner's Dictionary, 用法上沒有分別.
But some people think there is a slight difference: ~
Pay heed to = pay attention to
Take heed of = take notice of