sonreír - to smile
soportar - to support, hold up, bear; to put up with, tolerate
sorprender - to surprise, take by surprise, startle, amaze
subir - to go up, rise, move up, climb; to lift up, raise up
suceder - to happen; to succeed, follow
sufrir - to suffer; to undergo, experience, put up with
sugerir - to suggest
suponer - to suppose
surgir - to arise, emerge, spring up, come out, appear
suspirar - to sigh
sustituir - to substitute, replace