Because (written)
Car
Since
Depuis qu’
As/when/whereas
Alors que
Whereas/when/while
Alors qu’
As soon as/from the moment that
Dés qu’
Because (spoken)
Parce qu’
As much as/as far as
Autant que
While
Pendent que
Otherwise
Sinon
When
Lorsque
So/thus
Donc