| sákkos |  | sacc-[131] | bag | σάκκος (sákkos) | sack |
| sákkharon |  | sacchar-[132] | sugar | σάκχαρ, σάκχαρον (sákkharon) | disaccharide, heteropolysaccharide, homopolysaccharide, lipooligosaccharide, lipopolysaccharide, monosaccharide, oligosaccharide, pentasaccharide, polysaccharide, saccharin, trisaccharide |
| sálpinx |  | salping-[133] | trumpet | σάλπιγξ, σάλπιγγος (sálpinx, sálpingos) | endosalpingiosis, hysterosalpingography, salpiglossis, salpinx |
| saprós |  | sapr-[135] | rotten | σήπειν, σαπρός (saprós), σαπρότης | sapraemia, saprogenic, saprophagous, saprophyte, saprotrophic |
| sarkós |  | sarc-[136] | flesh | σάρξ, σαρκός (sárx, sarkós) | perisarc, sarcasm, sarcastic, sarcocele, sarcoid, sarcoidosis, sarcoma, sarcophagus, Sarcopterygii, sarcosine, sarcosinemia, sarcosome |
| saúra |  | saur-[137] | lizard, reptile | σαύρα (saúra), σαῦρος (saûros) | dinosaur, Saurischia, sauropod |
| skalēnós |  | scalen-[138] | uneven | σκαληνός (skalēnós) | scalene, scalene muscles, scalene triangle, scalenohedron |
| skándalon |  | scandal- | snare | σκάνδαλον (skándalon), σκανδαλίζω (skandalízō) | scandal, scandalize |
| skâpos |  | scap-[139] | shaft | σκᾶπος (skâpos) | scape, scapus |
| |  | scaph- | anything hollow, bowl, ship | σκάφη, σκάφος | Scaphirhynchus, scaphoid bone, scaphopod |
| skatós |  | scat-[140] | dung | σκῶρ, σκατός (skôr, skatós) | scatemia, scatology, scatoma, scatomancy, scatophagy, scatoscopy |
| skedannúnai |  | sced-[141] | scatter | σκεδαννύναι (skedannúnai), σκέδασις (skédasis), (skedastós), (skedastikós) | heteroscedastic, homoscedastic |
| skéleos |  | scel-[142] | leg, thigh | σκέλος, σκέλεος (skéleos) | isosceles, triskele, triskelion |
| skēnḗ |  | scen-[143] | booth, tent | σκηνή (skēnḗ) | parascenium, proscenium, scene, scenic, scenography |
| sképtesthai |  | scept-, scop- | look at, examine, view, observe | σκέπτεσθαι (sképtesthai), σκέψις (sképsis), σκέμμα, σκεπτικός (skeptikós), σκοπεῖν (skopeîn), σκοπός, σκοποῦ (skopós) | Abroscopus, diascopic, diascopy, endoscope, endoscopic, endoscopy, epidiascope, episcope, episcopic, gastroscopy, kaleidoscope, macroscopic, microscope, microscopic, panendoscopy, periscope, periscopic, scope, scopophobia, skeptic, stereoscopic, stereoscopy, stethoscope, telescope, telescopic, Telescopium |
| skhêma |  | schem- | plan | σχῆμα (skhêma) | schema, schematic, schematism, schematize, scheme |
| skhízein |  | schid-[144] (ΣΧΙΔ)[145] | split | σχίζειν (skhízein), σχιστός (skhistós), σχίσις (skhísis), σχίσμα (skhísma), σχίζα | diaschisis, diaschisma, schisis, schism, schisma, schismatic, schizocarp, schizogamy, schizogony, schizoid, schizophrenia, schizotrichia |
| skiá |  | sci-[146] | shade, shadow | σκιά (skiá), σκιάς | sciamachy, sciaphobia |
| skéllein |  | scler-[147] | hard | σκέλλειν (skéllein), σκληρός (sklērós), σκληρότης (sklērótēs) | sclera, sclerectomy, scleredema, sclereid, sclerema, sclerenchyma, sclerite, scleritis, scleroderma, sclerophyll, sclerophyllous, sclerosis, sclerotic, sclerotium, sclerotize |
| skṓlēkos |  | scolec-[148] | worm | σκώληξ, σκώληκος (skṓlēx, skṓlēkos) | scolex |
| skoliós |  | scoli-[149] | crooked | σκολιός (skoliós), σκολιότης | scoliokyphosis, scoliosis |
| skómbros |  | scombr-[150] | mackerel | σκόμβρος (skómbros) | scombrid, scombroid |
| | | scop- | | | |
| |  | scot-[151] | darkness | σκότος, σκότου, σκοταῖος | scotobiology, scotochromogen, scotogenic, scotograph, scotoma, scotoperiod, scotophase, scotophilia, scotophilic, scotophobe, scotophobia, scotophobic, scotophobotaxis, scotopic, scotoscope, scotosis, scototactic, scototaxis, scototherapy |
| skúphos |  | scyph-[152] | cup | σκύφος (skúphos) | scyphoid, Scyphozoa, scyphus |
| seíein |  | sei-[153] | shake | σείειν (seíein), | aseismic, microseism, microseismic, paleoseismology, seism, seismic, seismogram, seismograph, seismology, seismometer, seismonasty, sistrum, teleseism, teleseismic |
| selḗnē |  | selen- | moon | σελήνη (selḗnē) | paraselene, selaphobia, Selene, selenium, selenocentric, selenography, selenology |
| sêma |  | sema- | sign | σῆμα (sêma) | aposematic, asemasia, asemia, asemic, pentaseme, polyseme, polysemic, polysemous, polysemy, semantics, semaphore, semasiology, sematic, seme, sememe, semiotic, tetraseme, triseme |
| sḗps |  | sep- [154] | rot | σήψ (sḗps), | antisepsis, antiseptic, asepsis, aseptic, sepia, sepsis, septic |
| sḗr |  | ser-[155] | silk | σήρ (sḗr), σηρικός | sericin, serigraph |
| síkuos |  | sicy- | cucumber | σίκυος (síkuos) | Sicyos |
| sídēros |  | sider- | iron | σίδηρος (sídēros), σιδήρεος | siderodromophobia, siderophile |
| sîgma |  | sigm-[156] | S, s | σίγμα, σῖγμα (sîgma) | sigma, sigmatism, sigmatropic, sigmoid, sigmoidoscopy |
| sínapi |  | sinap-[157] | mustard | σίναπι (sínapi), (sināpízein), (sināpismós) | sinapine, sinapism |
| siōpḗ |  | siop-[158] | silence | σιωπή (siōpḗ), σιωπᾶν (siōpân), σιωπητέος (siōpētéos), σιώπησις (siṓpēsis) | aposiopesis, aposiopetic |
| síphōn |  | siph-[159] | tube | σίφων (síphōn) | siphon, siphonoglyph |
| sîtos |  | sit-[160] | food, grain, wheat | σῖτος, σίτου (sîtos, sítou) | ectoparasite, endoparasite, endoparasitoid, epiparasite, hyperparasitism, kleptoparasitism, mesoparasite, parasite, parasitic, parasitism, parasitoid, sitology, syssitia |
| síxis |  | siz-[161] | hiss | σίζω, σίξις (síxis) | |
| smáragdos |  | smaragd-[162] | emerald | σμάραγδος (smáragdos), σμαράγδινος (smarágdinos) | smaragdine |
| smílē |  | smil-[163] | carving knife | σμίλη (smílē), σμιλεύω, σμιλευτός, σμίλευμα | smilodon |
| sōlḗn |  | solen-[164] | channel, pipe | σωλήν (sōlḗn) | solenocyte, solenodon, solenogaster, solenoid, Solenopsis |
| sṓmatos |  | soma-[165] | body | σῶμα, σώματος (sôma, sṓmatos) | allosome, asomatous, autosome, centrosome, chromosome, decasomy, disomic, disomy, episome, gonosome, heptasomy, heterochromosome, heterodisomic, heterodisomy, hexasomy, isodisomic, isodisomy, macrosomia, metasomatic, metasomatism, microsome, microsomia, monosome, monosomic, monosomy, pentasomic, pentasomy, plasmosome, polysomic, polysomy, pyrosome, somatic, somatomancy, somatoparaphrenia, somatopleure, somatotype, somite, tetrasomic, tetrasomy, trisomic, trisomy |
| sophós |  | soph-[166] | wise | σοφός (sophós), σοφία (sophía), σόφισμα (sóphisma), σοφισμός (sophismós) | antisophism, pansophism, pansophist, pansophy, philosophize, philosophy, sophism, sophist, sophistry, sophisticate, Sophocles, sophomania, sophomaniac, sophomore, sophomoric |
| spân |  | spa-[167] | draw, pull | σπᾶν (spân), σπάσις (spásis), σπασμός (spasmós), σπάσμα (spásma), σπαστικός (spastikós), σπώμενον (spṓmenon), σπάδιξ (spádix), σπαδίζω | antispasmodic, palinspastic, perispomenon, properispomenon, spadix, spasm, spasmatic, spasmodic, spasmogenic, spasmolytic, spastic, spasticity |
| spádos |  | spad-[168] | eunuch | σπάδος (spádos), σπάδων (spádōn), σπαδοειδής | epispadias, hypospadias |
| spáthē |  | spath- | blade | σπάθη (spáthē) | spade, spatha, spathe, spay |
| speírō |  | speir-, spor-[169] | sow | σπείρω (speírō), σπαρτός, σπορά, σποράς, σποράδος (sporás, sporádos), σποραδικός (sporadikós), σπόρος (spóros) | aplanospore, archesporium, carpospore, chlamydospore, diaspora, diaspore, endospore, esparto, eusporangium, exospore, heterosporous, heterospory, homosporous, isosporous, leptosporangium, megasporangium, megaspore, microsporangium, microspore, mitospore, sporadic, sporangiospore, sporangium, spore, sporocarp, sporophyte, teliospore, tetraspore, tetrasporophytic, zygospore |
| spéos |  | spele- | cavern | σπέος (spéos), σπήλαιον (spḗlaion) | speleogen, speleogenesis, speleology, Speleomantes, speleomorphology, speleoseismite, speleothem, speleotherapy |
| spêlynx |  | spelyng-[170] | cave | σπῆλυγξ, (spêlynx, spēlyng-) | spelunk |
| spéndein | | spend-, spond-[171] | | σπένδειν (spéndein), σπονδή, σπονδάς (spondḗ, spondás), σπονδεῖος, σπονδικός | spondaic, Sponde, spondee |
| spérmatos |  | sperm-[172] | seed | σπέρμα, σπέρματος (spérma, spérmatos) | angiosperm, endosperm, gymnosperm, perisperm, sperm, spermatid, spermatocyte, spermatogenesis, spermatogonium, spermatozoon, stenospermocarpy |
| sphállein |  | sphal-[173] (ΣΦΑΛ[174]) | cause to fall | σφάλλειν (sphállein), σφαλερός (sphalerós), σφαλλόμενον | sphalerite, sphaleron |
| sphēnós |  | sphen-[175] | wedge | σφήν, σφηνός (sphḗn, sphēnós) | sphenic, Sphenodon, sphenoid |
| sphaîra |  | spher-[176] | ball | σφαῖρα (sphaîra) | aspheric, hemisphere, hypersphere, mesosphere, pseudosphere, sphere, spherics, spheroid, spherometer, spherulite, stratosphere, trimetasphere |
| sphíngein |  | sphing-, sphinct- | strangle | σφίγγειν (sphíngein), Σφίγξ sphings, σφιγκτήρ | sphincter |
| sphóndulos |  | sphondyl- | vertebra | σφόνδυλος, σφονδύλου (sphóndulos, sphondúlou) | spondylitis, spondylolisthesis, spondylolysis, spondylosis, Temnospondyli |
| sphragís |  | sphrag- | seal | σφραγίς (sphragís), (sphragistikós), σφραγίζω | sphragistic |
| sphúzein |  | sphyg- | pulse | σφύζειν (sphúzein), σφυγμός (sphugmós), (sphugmikós), (sphúxis) | asphyxia, sphygmic, sphygmochronograph, sphygmograph, sphygmomanometer, sphygmus |
| splḗn |  | splen- | spleen | σπλήν (splḗn), splēnikós | asplenia, hypersplenism, hyposplenia, polysplenia, splenectomy, splenic, splenitis, splenoid, splenomegaly |
| spóndulos | | spondyl- | vertebra | σπόνδυλος (spóndulos) | platyspondyly, spondylid, spondylolisthesis, spondylolysis, spondylopyosis, spondyloschisis, spondylosis, spondylosyndesis, Spondylus |
| |  | st- (ΣΤΑ) | cause to stand | ἵστημι histēmi, histánai, στατικός, στάσις, στατήρ, στήλη | acrostatic, actinostele, anastasis, antistatic, apostasy, apostate, astasia, astasis, astatic, astatine, catastasis, chronostasis, diastase, diastasis, diastatic, diasystem, ecstasy, ecstatic, epistasis, episteme, epistemic, epistemology, eustasis, eustatic, eustele, haplostele, homeostasis, homeostatic, hydrostatic, hypostasis, hypostasize, hypostatic, hypostatize, mesostatic, metastasis, metastasize, metastatic, metasystem, orthostates, orthostatic, protostele, stasimon, stasis, stater, static, statoblast, statocyst, statolith, stela, stele, systasis, system, systematic, systematize, systematology, systemic, teleutostatic |
| stalaktós |  | stala- | dripping, trickling | σταλακτός (stalaktós) and σταλαγμός (stalagmós), both from σταλάζειν (stalázein) “to drip” | stalactite, stalagmite |
| staphulḗ |  | staphyl-[177] | bunch of grapes | σταφυλή (staphulḗ) | staphyledema, staphylion, staphylococcus, staphyloderma, staphyloplasty |
| stéatos |  | steat-[178] | fat, tallow | στέαρ, στέατος (stéar, stéatos) | stearic acid, steatolysis, steatolytic, steatosis |
| stégē |  | steg-[179] | cover | στέγειν, στέγη (stégē), στεγανός (steganós) | steganography, steganopod, Stegosaurus |
| stéllō |  | stell-, stol-[180] | send | στέλλω (stéllō), στάλσις (stálsis), στολή (stolḗ) | apostle, centrostaltic, diastole, epistle, epistolic, epistolize, epistolography, eusystole, hypodiastole, peristalsis, peristaltic, peristole, stole, systaltic, systole |
| stenaí | | sten- | stand | στεναί (stenaí) | apostasy, apostate |
| stenós |  | sten-[181] | narrow | στενός (stenós) | stenography, stenosis |
| stereós |  | stere-[182] | solid | στερεός (stereós) | allosteric, stereochemistry, stereochromy, stereographic, stereography, stereoisomer, stereometry, stereophonic, stereopsis, stereoscope, stereoscopy, stereotaxis, stereotomy, stereotype, stereotypic, steric |
| stérnon |  | stern-[183] | breastbone | στέρνον (stérnon) | metasternum, prosternum, sternum |
| stêthos |  | steth-[184] | chest | στῆθος (stêthos) | stethoscope |
| sthénos |  | sthen-[185] | strength | σθένος (sthénos) | asthenia, asthenosphere, callisthenics, hyposthenia, sthène, sthenia |
| steíkhein |  | stich-[186] | line, row | στείχειν (steíkhein), στίχος (stíkhos) | acrostic, cadastre, distich, distichous, haplostichous, hemistich, heptastich, monostich, monostichous, orthostichy, pentastich, polystichia, polystichous, stich, stichic, stichomancy, stichometry, stichomythia, telestich |
| stíkhē |  | stich-[187] | tunic | στίχη (stíkhē), στιχάριον (stikhárion) | sticharion |
| stízein |  | stig-[188] | mark, puncture | στίζειν (stízein), στίξις (stíxis), στίγμα, στίγματος (stígma, stígmatos) | anastigmat, anastigmatic, astigmatic, astigmatism, stigma, stigmata, stigmatic |
| stókhos |  | stoch-[189] | aim | στόχος (stókhos), στοχαστικός (stokhastikós), στόχασμα | stochastic |
| stómatos |  | stom- | mouth | στόμα, στόματος (stóma, stómatos) | anastomosis, anastomotic, deuterostome, monostomous, ozostomia, pentastomid, protostome, stoma, stomach, stomatalgia, stomatic, stomatoplasty, -stome |
| storénnumi |  | stor-[190] (ΣΤΟΡ)[191] | spread, strew | στορέννυμι (storénnumi), στόρνυμι, στρῶμα (strôma) | biostrome, stroma |
| stratós |  | strat- | army | στρατός (stratós), στρατηγία (stratēgía) | stratagem, strategic, strategist, strategus, strategy, stratocracy, stratography, stratonic |
| stréphein |  | streph-, stroph-, strob-, stromb-[192] | turn | στρέφειν (stréphein), στρεπτός (streptós), στροφή (strophḗ) | anastrophe, antistrophe, apostrophe, boustrophedon, catastrophe, catastrophic, catastrophism, epistrophe, monostrophe, monostrophic, strophe, strophic |
| streptós |  | strept- | twisted | στρέφειν, στρεπτός (streptós), στρεψίς (strepsís) | Strepsiptera, strepsirrhine, streptococcus |
| | | stroph- | turn | | |
| Stugós |  | styg-[193] | Styx | Στύξ, Στυγός (Stúx, Stugós), Στύγιος | Stygian, stygiophobia |
| stûlos |  | styl-[194] | column, pillar | στῦλος (stûlos), στυλόω (stulóō) | amphiprostyle, amphistyly, anastylosis, araeostyle, araeosystyle, blastostyle, diastyle, epistyle, eustyle, hexastyle, hyostyly, hypostyle, monostylous, octastyle, orthostyle, peristyle, prostyle, pycnostyle, stylite, Stylites, stylobate, styloid, stylus, systyle |
| |  | sybar-[195] | Sybaris | Σύβαρις, συβάρεως, Συβαρίτης Sybarī́tēs, Συβαριτικός | Sybarite, sybaritic, sybaritism |
| sûkon |  | syc- | fig | συκῆ, σῦκον (sûkon) | sycomancy, sycophant |
| sún |  | syn-, sy-, syg-, syl-, sym-, sys-[196] | with | σύν (sún) | syllogism, symbol, symmetry, sympathy, synonym, synchronous, system |
| súringos |  | syring- | pipe | σύριγξ, σύριγγος (súrinx, súringos) | syringe, Syringodea, Syringoderma, Syringogaster, syringoma, syringomyelia, syrinx |
