sombrío, -a somber, dark, overcast, cloudy, gloomy, melancholy, sullen.
són m. sound, noise, manner.
sonar sound, resound.
soneto m. sonnet.
sonido m. sound, peal.
sonoro, -a sonorous, resounding, loud, harmonious.
sonreír smile.
sonrisa f. smile.
soñar dream, imagine, dream of.
soplo m. gust, breath.