| Siracusa | Syracuse |
| siramine | scintillation |
| sirbikujuline | falcate |
| sire | lithe |
| sire | willowy |
| sireen | hooter |
| sireen | siren |
| sireen (hädapasun ja mütol merineitsi) | siren |
| sirel | lilac |
| sirel (Syringa) | lilac |
| sirelane | hoverfly |
| sirelikarva | lilac-colored |
| sirelikarva | lilaceous |
| sirelililla | lilac-purple |
| sirg- | ortho- |
| sirg- | recti- |
| sirge | ithy- |
| sirge | line |
| sirge | recti- |
| sirge | straight |
| sirge | unbent |
| sirge (lõik) | straightaway |
| sirge (mitte ristis jalgadega) | uncrossed |
| sirge kaelus | crew neck |
| sirge kaelus | crew neckline |
| sirge kleit | chemise |
| sirge seljaga | erectly |
| sirgekiuline | straight-grained |
| sirgeks kuivav | drip-dry |
| sirgeks rääkima | iron out |
| sirgeldama | doodle |
| sirgeldamine | doodling |
| sirgemaks teha | cut through |
| sirgeselgne | upright |
| sirgeseljaline | upright |
| sirgeseljaline | straight-backed |
| sirgeseljaliselt | uprighteously |
| sirgeseljalisus | probity |
| sirgeseljalisus | rectitude |
| sirgeseljalisus | uprightness |
| sirgeservaliste lehtedega | entire-leaved |
| sirgestama | right |
| sirgestama | straighten |
| sirgestuda | straighten |
| sirgete joontega | chiseled |
| sirgete joontega (kuju) | rectilinear |
| sirgetüveline | straight-stemmed |
| sirgjoon | straight line |
| sirgjooneline | impolitic |
| sirgjooneline | linear |
| sirgjooneline | one-track |
| sirgjooneline | steadfast |
| sirgjooneline | straightforward |
| sirgjooneline | straight-line |
| sirgjooneline | unsophisticated |
| sirgjooneline (liikumine) | rectilinear |
| sirgjooneline nõuandja | Dutch uncle |
| sirgjooneliselt | forthright |
| sirgjooneliselt | straightforwardly |
| sirgjoonelisus | forthrightness |
| sirgjoonelisus | guilelessness |
| sirgjoonelisus | rectilinearity |
| sirgjoonelisus | rectitude |
| sirgjoonelisus | straightness |
| sirglõik | line segment |
| sirglõikeline jätkseotis | half-lap joint |
| sirgnurk | right angle |
| sirgnurk (180°) | straight angle |
| sirgu ajama | draw yourself up |
| sirgu ajama | straighten |
| sirguda | grow up |
| sirin | chat |
| sirin | chirrup |
| sirin | stridor |
| sirin | warbling |
| sirin (rohutirtsu | stridulation |
| siristada | frizzle |
| siristama | chirp |
| siristama | chirr |
| siristama | chirrup |
| siristama | churr |
| siristama | clitter |
| siristama | ratchet |
| siristama | stridulate |
| siristama | twitter |
| siristus | chirp |
| sirkel | compass |
| sirkel | compasses |
| sirkel | pair of compasses |
| Sirkel (tähtkuju) | Circinus |
| sirkliga mõõtma (kaardil vahemaad) | prick off |
| sirm | dress shield |
| sirm | screen facade |
| sirm | screen |
| sirm | shade |
| sirmik | parasol mushroom |
| sirmjalg | Woodwardia |
| siroko | sirocco |
| sirp | reaping hook |
| sirp | sickle |
| sirp ja vasar | hammer and sickle |
| sirppiiritaja (Apus caffer) | white-rumped swift |
| sirtsuda | chirp |
| sirtsuma | chirp |
| siruli lebama | streek |
| sirutaja- | abducent |
| sirutajalihas | abductor |
| sirutajalihas | extensor |
| sirutama | hold out |
| sirutama | streek |
| sirutama | stretch out |
| sirutuda | stretch oneself |
| sirutus | straightening |
| sirvida | browse |
| sirvida | glance through |
| sirvima | dip into |
| sirvima | flick |
| sirvima | riffle |
| sirvimine | browsing |
| (Br) vesiravila | hydro |
| (istudes) selga sirgu ajama | sit up |
| (sirge) kosk | cataract |
| (sirgeid jalgu tõstes) marssima | goose-step |
| (välja) sirutada | stretch |
| aadressiraamat | directory |
| aadressiregister | address register |
| alasiräbu | rolling-mill scale |
| bilansiraamat | balance book |
| bilansiraamat | balance sheet book |
| börsiraport | exchange report |
| eksirännak | peregrination |
| eksirännak | pilgrimage |
| elu tsirkuseartistina | big top |
| end rahulolevalt välja sirutama | lay back |
| esiratas | front-wheel |
| esiratas | front wheel |
| esirind | cutting edge |
| esirind | forefront |
| esirinnas | in the forefront |
| esirõhutus | pre-emphasis |
| esirüütel (Br kroonimisel) | Champion of England |
| hüatsint (punane tsirkoonium | jacinth |
| indeksireegel | index clause |
| intressirisk | interest rate risk |
| intressirisk | interest risk |
| isesirguv | non-iron |
| isesirguv | wash and wear |
| jagamissirkel | dividers |
| jalatsirest | foot scraper |
| jalgsirännak | peripatetic journey |
| jalgu sirutama | stretch the legs |
| jalgu sirutama | stretch your legs |
| kahandussirkel | reduction compasses |
| kaksiratsa | astraddle |
| kaksiratsa | astride |
| kaksiratsi peale istuma | straddle |
| kassiristik (Trifolium arvense) | hare's-foot clover |
| kassiristik (Trifolium arvense) | rabbit foot |
| kassiristik (Trifolium arvense) | rabbit-foot clover |
| kassiristik (Trifolium arvense) | rabbit-foot |
| kassiristik (Trifolium arvense) | stone clover |
| klassiruum | classroom |
| kliivri halsirõngas | jib iron |
| kobisirkel | caliper |
| kobisirkel | calliper |
| kompassiroos | compass card |
| kongressiringkond (valib 1 esindaja Kongressi) | congressional district |
| kontaktsirm | conatact screen |
| koomiksiriba | comic strip |
| kõrtsiringreis | barhop |
| krossirada | speedway |
| kursirisk | currency exposure |
| kursirisk | exchange rate risks |
| kursirisk | price risk |
| kuusirbi ots | horn |
| kuusirp | crescent |
| kuusirp (mat kujund) | lune |
| külmsirgestamine | cold straightening |
| kümnesilbiline värsirida | decasyllable |
| käsiraamat | handbook |
| käsiraamat | how-to book |
| käsiraamat | manual |
| käsiraamat | promptuary |
| käsiraamat | tutorial |
| käsiraamat | vade mecum |
| käsiraamat | vade-mecum |
| käsiraamat | guide |
| käsiraamat | guidebook |
| käsiraamat | operator's manual |
| käsiraamat | reference book |
| käsiraamat | reference work |
| käsiraha | down payment |
| käsiraha | earnest money |
| käsiraha | retainer |
| käsiraha | deposit |
| käsirahaga ostmine | layaway plan |
| käsiramm | hand ram |
| käsiramm | hand tamp |
| käsiramm | hand-held ramme |
| käsirelv | handgun |
| käsirelvad | small-arms |
| kätt sirutama | extend a hand |
| kätt sirutama | reach out |
| lambisirm | lampshade |
| lambisirmipapp | opaline board |
| lendtsirkus | flying circus |
| liigsilpidega lõppev (värsirida) | hypercatalectic |
| linnusirin | bird call |
| linnusirin | birdcall |
| lõik (kahe otspunktiga sirge) | line segment |
| lõikenurk (tasandi ja sirge vahel) | angle of incidence |
| lõikuv sirge (aga mitte ristsirge) | oblique line |
| lõpusirge | home straight |
| lõpusirge | homestretch |
| maksatsirroos | cirrhosis of the liver |
| mõõtesirkel | caliper |
| mõõtesirkel | calliper |
| mõõtesirkel | callipers |
| mõõtesirkel | dividers |
| niisiraam | shaft frame |
| noolsirge | straight as an arrow |
| nüansirikas | rich in nuances |
| nümfolepsia (sireenide lummus | nympholepsy |
| Osiris (Egiptuse allilmajumal) | Osiris |
| Osirise | Osirian |
| otsirännak | quest |
| passiraamat | pass booklet |
| poksiring | boxing ring |
| pooleldi välja sirutatud | half-stretched |
| proportsionaalsirkel | proportional compasses |
| proportsionaalsirkel | proportional dividers |
| puuvillapüssirohi | gun cotton |
| püksirihma pingutama | tighten your belt |
| püssiraud | gun barrel |
| püssiraud | gunbarrel |
| püssiriiul | gunrack |
| püssirohi | gunpowder |
| püssirohi | powder |
| püssirohukelder | powder-magazine |
| püssirohusarv | powder horn |
| Püssirohuvandenõu | Gunpowder Plot |
| päiksesirm | sun visor |
| reisirong | passenger train |
| roosiristlus | Rosicrucianism |
| rändtsirkus | fair |
| rändtsirkus | menagerie |
| seltsireis | conducted tour |
| servi sirgu ajama | even up |
| tahmatops (koomiksiraamat) | ashcan |
| teravsirkel | dividers |
| tiibade siruulatus | wingspan |
| tikksirge | straight as a ruler |
| tikksirgelt | bolt upright |
| tsirka | ca |
| tsirkaloi | zircaloy |
| tsirkonaat(IV) | zirconate |
| tsirkoon | zircon |
| tsirkoonium | Zr |
| tsirkoonium (Zr) | zirconium |
| tsirkooniumdioksiid | zirconia |
| tsirkooniumdioksiid | zirconium dioxide |
| tsirkooniumoksiid | zirconium oxide |
| tsirkulaar | circular letter |
| tsirkulaar | circular |
| tsirkulatsioon | circulation |
| tsirkulatsioonivesi | recirculated water |
| tsirkulatsioonivesi | recycled water |
| tsirkulatsioonivesi | return water |
| tsirkulatsioonküte | circulation heating |
| tsirkuleerima | eddy |
| tsirkumfleks | circumflex accent |
| tsirkumfleks | circumflex |
| tsirkus | big top |
| tsirkus | circus |
| tsirkuse artist | circus artist |
| tsirkuseartist | circus artist |
| tsirkuseesineja | circus performer |
| tsirkusekloun | clown |
| tsirkusetelk | big top |
| tsirkusetelk | circus tent |
| tsirkusetola | clown |
| tsirroos | cirrhosis |
| täppissirkel | precicion compasses |
| täpsussirkel | precicion compasses |
| udusireen | fog alarm |
| udusireen | fog whistle |
| ujumine sirgete jalgadega | flutter kick |
| ussirohi | vermifuge |
| valtsiräbu | mill cinder |
| valtsiräbu | mill scale |
| valtsiräbu | roll scale |
| valtsiräbu | rolling scale |
| vesiradiaator | water radiator |
| vesiravi | hydropathy |
| vesiravi | hydrotherapy |
| vesiravila | baths |
| vesiravila | spa |
| vesiriis | Zizania |
| vesirind | hydrothorax |
| vesiroos | Nymphaea |
| vesiroos | water-lily |
| vesiroosilised | Nymphaeaceae |
| vesirott | muskrat |
| välja sirutama | splay |
| välja sirutama | stretch out |
| väljasirutatud | outspread |
| väljasirutatud | outstretched |
| väljasirutatud käte ja jalgadega | spread-eagled |
| värbamiskäsiraha | hiring |
| värsirida | verse |
