id, ensanguined
Scio, scitum know prescience, plebiscite
Scribo, scriptum write prescribe, manuscript, escritoire
Seco, sectum cut secant, dissect
Sedeo, sessum sit supersede, obsession
Sentio, sensum feel presentiment, consensus
Sequor, secutus follow sequence, persecute, ensue
Signum sign insignia, designate
*Solus alone solitude, desolate
Solvo, solutum loosen solvent, dissolute
*Somnus sleep somnambulist, insomnia
*Sono sound consonant, resonance
*Sors, sortis lot sort, assortment
Specio, spectum look despicable, suspect
Spiro, spiratum breathe perspire, conspiracy
*Spondeo, sponsum promise respond, espouse
Sto, steti, statum stand constant, establish
Sisto, stiti, statum cause to stand consistent, superstition
Stringo, strictum bind stringent, restrict
Struo, structum build construe, destruction
Tango, tactum touch intangible, tact
Tempus, temporis time temporize, contemporary
Tendo, tensum stretch distend, intense
Teneo, tentuin hold tenure, detention
*Tendo try tentative, attempt
Terminus end, boundary terminal, exterminate
Terra earth territory, inter
Torqueo, tortum twist distort, tortuous
Traho, tractum draw extract, subtraction
Tumeo, tumidum swell tumor, contumacy
Turba tumult, crowd turbulent, disturb
*Unus one unify, triune, onion
*Urbs city urbane, suburban
Vado, vasum go pervade, invasion
Valeo, validum be strong prevail, invalid
Venio, ventum come intervene, adventure
Verto, versum turn divert, adverse
*Verus true verdict, veracity
*Via way obviate, impervious, trivial
Video, visum see provide, revise
Vinco, victum conquer province, convict
Vir man triumvir, virtue
Vivo, victum