y = and
tanto ... como ... = both ... and ...
pero = but
o = or
o ... o ... = either ... or ...
porque = because
sin embargo = however
mucho = a lot
mucho/a = much/a lot of
muchos/as = many/a lot of
un poco = a little
poco/a = not much/little
unos pocos/unas pocas = a few
unos cuantos/unas cuantas = a few
pocos/as = few
más = more
menos = less
más o menos = more or less
muy = very
demasiado = too/too much
bastante = quite/fairly
sólo = only
también = also/too/as well
posiblemente = possibly
quizá = perhaps
probablemente = probably
no = no/not
sí = yes
nadie = nobody
alguien = someone
nada = nothing
algo = something
nunca = never
siempre = always
a veces = sometimes
muchas veces = often
pocas veces = rarely/seldom/not often
otra vez = again