| tacere | be silent |  | tac-, -tic- | tacere, tacitus | reticent, reticence, tacit, taciturn |
| talus | ankle |  | tal- | talus | talus |
| tangere | touch |  | tang-, -ting-, tact-, tag- | tangere (past participle tactus) | attain, contact, contagious, contingent, contingency, contiguous, intact, tactile, tangent, tangible |
| tapete | carpet |  | tapet- | tapete, tapetis | tapestry, tapetum, tapis |
| tardus | slow |  | tard- | tardus | retard, tardigrade, tardy |
| taurus | bull |  | taur- | taurus | Taurus |
| tegere | cover |  | teg-, tect- | tegere, tectus | contection, detect, detectable, detection, detective, detector, integument, integumentary, obtect, pretectal, pretectum, protect, protection, protective, protector, protectorate, protectory, protectress, protectrix, protégé, protégée, tectrix, tectum, tegmen, tegmental, tegula, tegular, tegument, tile, tog, toga, togate, togavirus, toggery |
| temnere | – | | temn-, tempt- | temnere | contemn, contemnible, contempt, contemptible, contumacious, contumacy, contumelious, contumely |
| tempus | time |  | tempor- | tempus, temporis | contemporaneous, contemporary, extemporaneous, tempo, temporal, temporary |
| tendere | stretch, strain |  | tend-, tens- | tendere (past participle tensus) | ambitendency, attempt, attend, attendee, attent, attention, attentive, coextend, coextension, coextensive, contend, contention, contentious, detent, détente, distend, distension, distent, distention, entendre, entente, extend, extensible, extension, extensional, extensionality, extensive, extensivity, extensor, extent, inattention, inattentive, inextensible, intend, intense, intensification, intension, intensional, intensity, intensive, intent, obtend, obtension, ostensible, ostension, ostensive, ostensory, ostent, ostentation, ostentatious, portend, portension, portent, portentous, pretend, pretense, pretension, subtend, subtense, superintend, superintendency, superintendent, tempt, temptation, tend, tendency, tendential, tendentious, tender, tense, tensible, tensile, tensility, tension, tensure, tent, tentacle, tentacular, tentage, tentation, tentative, tentiginous, tentorium |
| tenere | hold, keep |  | ten-, -tin-, tent- | tenere, tentus | abstain, abstention, abstinence, abstinent, appertain, appertinent, appurtenance, appurtenant, contain, containment, content, contentive, contentment, continence, continent, continental, continual, continuance, continuant, continuation, continuative, continue, continuity, continuous, continuum, contratenor, countenance, detain, detainder, detainee, detainer, detainment, detention, detinue, discontent, discontentment, discontinuance, discontinuation, discontinue, discontinuity, discontinuous, entertain, entertainment, equicontinuity, equicontinuous, impertinence, impertinent, incontinence, incontinent, intenible, intercontinental, irretentive, lieutenant, maintain, maintenance, malcontent, obtain, obtainment, obtention, pertain, pertinacious, pertinacity, pertinence, pertinent, purtenance, reobtain, retain, retainer, retainment, retention, retentive, retinue, se-tenant, sustenance, sustentacular, sustentaculum, sustentation, sustention, tenable, tenace, tenacious, tenacity, tenancy, tenant, tenet, tenor, tenure, tenurial, tenuto, transcontinental |
| tenuare | slender, thin |  | tenu- | tenuare “make thin”, from tenuis “thin” | attenuate, extenuate, tenuous |
| tepere | be warm |  | tep- | tepere | subtepid, tepefaction, tepid, tepidarium, tepidity, tepor |
| terere | rub, wear |  | ter-, trit- | terere, tritus | attrition, contrite, contrition, detriment, detrimental, detrital, detrition, detritivore, detritivorous, detritus, retriment, tribulation, trite, triturate, trituration, triture |
| teres | rounded |  | teret- | teres, teretis | subterete, teretial |
| tergere | wipe |  | terg-, ters- | tergere, tersus | absterge, abstergent, abstersion, abstersive, deterge, detergency, detergent, terse |
| terminus | boundary, limit, end |  | termin- | terminus | determine, interminable, terminal, termination |
| terni | three each |  | tern- | terni | ternary, ternion |
| terra | earth |  | terr- | terra | inter, subterranean, terrace, terracotta, terrain, terrarium, terrestrial, territory |
| tertius | third |  | terti- | tertius | tertian, tertiary |
| testis | witness |  | test- | testis | attest, contest, detest, protest, testament, testify, testimony |
| texere | weave |  | tex-, text- | texere, textus | context, subtle, pretext, text, textile, texture |
| timere | be afraid |  | tim- | timere | timid, timorous |
| tingere | dye, moisten |  | ting-, tinct- (TING)[212] | tingere, tinctus | aquatint, distain, mezzotint, tinct, tinctorial, tincture, tinge, tingent, tint |
| torpere | be numb |  | torpe- | torpere | torpent, torpid, torpor |
| torquere | twist |  | torqu-, tort- | torquere, tortus | contort, distort, extort, extortion, retort, torque, torsion, tortuous, torture |
| totus | all, whole |  | tot- | totus | subtotal, total, totality |
| trabs | beam |  | trab- | trabs, trabis | trabeculae |
| tractare | draw, pull |  | trah-, tract- | tractare, frequentative of trahere, tractus | abstract, attract, contract, detract, retract, subtract, subtrahend, tractable, traction, tractor |
| trans | across |  | trans-, tra-, tran- | trans | intransigent, tradition, transact, transcend, transient, transitory, transparent, transport |
| trecenti | three hundred | | trecent- | trecenti | trecentennial, trecentillion |
| tredecim | thirteen |  | tredec- | tredecim | tredecimal |
| tremere | tremble |  | trem- | tremere | tremor |
| trepidare | tremble | | trepid- | trepidare “to tremble, hurry”, from trepidus “alarmed, scared” | intrepid, trepid, trepidation |
| tribuere | pay |  | tribu- | tribuere “to pay”, from tribus | attribute, contribute,distribute, retribution, tribe, tribulation, tribunal, tribune, tributary, tribute |
| triceni | thirty each |  | tricen- | triceni | tricenary |
| tricesimus | thirtieth |  | tricesim-, trigesim- | tricesimus | trigesimal |
| trini | three each | | trin- | trini | trinary, trine, trinity |
| triticum | wheat |  | tritic- | triticum | triticale |
| trudere | thrust |  | trud-, trus- | trudere, trusus | abstrude, abstruse, abstrusion, abstrusity, detrude, detrusion, detrusor, extrude, extrusible, extrusion, extrusive, inobtrusive, intrude, intrusion, intrusive, nonintrusive, obtrude, obtrusion, obtrusive, protrude, protrudent, protrusile, protrusion, protrusive, retrude, retruse, retrusion, retrusive |
| truncare | cut off |  | trunc- | truncare “to maim, mutilate”, from truncus “mutilated, cut off” | detruncate, detruncation, entrench, entrenchment, intrench, intrenchment, obtruncate, obtruncation, omnitruncation, retrench, retrenchment, tranche, tranchet, trench, trenchancy, trenchant, truncate, truncation, truncheon, trunk, trunnion |
| trux | fierce |  | truc- | trux, trucis | truculence, truculency, truculent |
| trēs | three | | tri- | trēs | triangle, triumvirate, trivia |
| tumere | be swollen |  | tum- | tumere | detumescence, detumescent, intumescence, tumefacient, tumefaction, tumesce, tumescence, tumescent, tumid, tumidity, tumor, tumorous, tumular, tumulose, tumulous, tumult, tumultuary, tumultuous, tumulus |
| turba | disturb |  | turb- | turba | disturb, disturbance, nonperturbative, perturb, perturbance, perturbation, perturbative, trouble, troublous, turbid, turbidity, turbinate, turbine, turbulence, turbulent |
| tussis | cough |  | tuss- | tussis, tussire | pertussis, tussive |
