Means the same thing as despite, but, in spite of the FACT that
although
She feels really comfortable in here, ........... I don't.
whereas
You can call a helpline .... talk about your problems
to/in order to
I had a big row with my friend. ......... he isn't talking to me now
For that reason
Compares two different points of view (with two different subjects)
whereas
I love dogs, ........... my sister prefers cats.
whereas
I've already told you that ........ you know what's going on.
so
means the same thing as "because" but is used at the beginning of the sentence
As/Since
........... the weather was really bad, we still went on a walk.
although
......... my brother decided to move to New York, I had to help him moving the furniture.
As/since
I didn't know what to do and, ..........., I talked to my teacher.
for that reason
I knew the exam was going to be difficult, .... I spent a long time revising for it.
so
What can I do ...... help you?
to
I felt really guilty about the things I had said ...... I apologised and we made up.
so
He wanted to eat the kebab so badly, ............ he knew he was allergic to it.
although