what's the difference between situation and circumstance
They are quite similar, I was wondering if they can be replaced with each other most of the time? or any differences between them? Thanks.

Question

what's the difference between situation and circumstance
They are quite similar, I was wondering if  they can be replaced with each other most of the time? or any differences between them? Thanks.

Answer

Circumstances would contribute to your situation.

What are the most stressful circumstances contributing to your current situation?

He comes from modest circumstances. (Financial)

The situation is unbearable.
The circumstances are unbearable. (Similar)

Answer

@Liam, thanks for your help.

Answer

As you said they are quite similar but you can think of circumstances making up a situation. So a circumstance can be a single condition or reason but a situation is the whole environment. Does that make sense?