and
y or e (if word starts with i)
or
o or u (if word starts with o)
but
pero
however
sin embargo
because
porque
if
si
as long as
con tal de que
rather than
mas bien que
although / though
aunque
Also / in addition
ademas
in short
en breve
suddenly
de repente
obviously
obviamente
unless
a menos que
that or than
que
after
despues
then
entonces
while
mientras
yet
todavia
To
A
Since
Desde
Okay
Vale
At least
Por la menos
Per cierto
By the way