seis, six.
sello, m., seal.
semblante, m., face.
sembrar, to sow; to dot, strew.
semejante, similar, like, such, such a, same; — á, like, similar to.
semejar, to be like (or similar to); to resemble.
semicírculo, m., semicircle.
sencillo, -a, simple, plain.
senda, f., path, by-path, foot-path.
sendero, m., path, by-path, foot-path.