That, which
Que
And
Y
Like, as
Como
Or
O
But, yet, except
Pero
If, whether
Si
Because
Porque
Since, then, well then
Pues
Not even, neither, nor
Ni
While, whereas, as long as
Mientras
Although, even though
Aunque
But, except, rather (“this instead”)
Sino
But, however (literary)
Mas
In spite of
Pese (a)
Given that
Dado (que)
Consequently
(Por) consiguiente