E
and (used if followed a noun with the same vowel sound as "Y")
Porque
because
Excepto
except, save, excluding
en vista de que
because
if (notice there is no accent over the i). If it had
ni
neither / nor
Pues
Because, since, for)
no obstante
however, nevertheless)
objeto de que
in order to
Mas
(but, yet) - formal
Mas
(but, yet) - formal
Que
because, or else
ya que
since
sin embargo
however, nevertheless, though
Aunque
even though
Si
if (notice there is no accent over the i). If it had an accent, then it would mean "yes"
pero
Pero
siempre que
provided, if
no obstante
however, nevertheless)
Es decir
in other words
Como
since
Sino
(but) - for when using the negative
para que
so that, so, in order to/for)
a con el fin
so that, or so
esto es
that is to say