sŏn-āre, to sound: consonant, sound, sonor-ous, sonnet, per-son, unison (unus).
sparg-o (spars-), I scatter, sprinkle: sparse, di-sperse, a-spersion.
spĕci-o (spect-), I look; su-spici-o (suspect-), look up, mistrust; species, appearance: speci-men, specious and specify (Fr.), spectacle and spectre (Fr.), aspect, spectator, despise and spite (= de-spite) (Fr.).
spēr-o (sperāt-), I hope: desperate, despair and prosper (Fr.).
spīr-o (spirāt-), I breathe; spīrĭtus, breath: a-spirant, inspire, conspiracy.
stāre (stăt-), sĭst-ĕre, stand; stătu-o, I set: di-stant, extant, substance (Fr.), station, stable, insist, obstacle and e-stablish (Fr.); state and statue (Fr.), statute, rest (= remainder), armi-stice and sol-stice (Fr.).
stern-ĕre (strāt-), to spread, extend, cover; consternation, prostrate, stratum, stratify, street (through Ang. Sax.).
string-o (strĭct-), I draw together: stringent, strain and strait (Fr.), strict, stricture, district, stress (Fr.).
strŭ-ĕre (struct-), to build: con-struct, structure, construe, destroy (Fr.).