surco, m. furrow, track, rut.
¡sus! come! courage! ho! on!
suscribir, to subscribe, yield.
suspender, to suspend, interrupt, discontinue; to hold in suspense, to amaze.
suspendido, -a, adj. pp. of suspender, suspended; hanging; in suspense, anxious.
suspensión, f., pause, suspense.
suspenso, -a, adj. pp. (irr.) of suspender, surprised, hesitant.
suspicaz, suspicious.
suspirar, to sigh.
suspiro, m., sigh.