sorprendente, rare, extraordinary.
sorprendido,-a, surprised.
sorpresa, f., surprise.
sospechar, to suspect.
sostener, (see tener), to sustain, keep up.
sótano, m., basement.
soy, pres. of ser.
Sr. = Señor.
SS. MM. y AA. = Sus Majestades y Altezas.
su, his, her, its; their; yours.