12-Letter Words Containing OS

There are 584 12-letter words that contain OS. 171 are common words, such as AGNOSTICISMS and AMONTILLADOS. A rarer one is ZOOSPORANGIA. In this set, E is the most frequent open letter (424 words). 119 words contain a doubled letter.

Full list 584

Common words

agnosticismsamontilladosapostatizingapostleshipsappositenessarchipelagosarthroscopesarthroscopicatmosphericsavitaminosesavitaminosisbraggadocios
agnosticismsamontilladosapostatizingapostleshipsappositenessarchipelagosarthroscopesarthroscopicatmosphericsavitaminosesavitaminosisbraggadociosbrontosauruschiaroscuroschoosinessesclosemouthedcompositionscosmeticallycosmeticianscosmogonistscosmologicalcosmologistscosmopolitancosponsoringcostlinessescrisscrossedcrisscrossescrosscheckedcrosscurrentcrosscuttingcrosshatchedcrosshatchescrosspatchesdecrescendosdepositoriesdiscomposingdiscomposuredispositionsdispossesseddispossesseselectroscopeelectroshockeleemosynaryengrossmentsexoskeletonsexpostulatedexpostulatesfluoroscopesfluoroscopicforeclosuresfrostinessesgenerositiesgeosynclinesghostwritersghostwritingghostwrittenglossinessesglossolaliasgooseberriesgoosefleshesheterosexualhospitalizedhospitalizeshydrospheresidiosyncrasyinhospitableinhospitablyintrospectedjocosenesseskaleidoscopeliposuctionslithospheresluminositiesmackintoshesmetamorphosemicroscopiesmicrosecondsmicrosurgerymisdiagnosedmisdiagnosesmisdiagnosismonosyllabicmonosyllablemorosenessesmultipurposeneurosurgeonneurosurgerynoncorrosivenonexplosivenorthernmostoscillationsoscilloscopeossificationostentationsostentatiousosteopathiesosteoporosesosteoporosisoverexposingoverexposurepaternostersphilosophersphilosophiesphilosophizephosphorusesphotostatingphotostattedpositivenesspossessivelypostdoctoralpostgraduateposthumouslyposthypnoticpostmeridianpostmistresspostponementpostprandialpostulationspreciositiespredisposingprepositionsprepossessedprepossessespreposterouspresupposingpropositionsproscriptionprosecutionsproselytismsproselytizedproselytizerproselytizesprospectusesprosperitiesprosperouslyprostitutingprostitutionprostrationspurposefullyradioscopiesredepositingrepositoriesrepossessingrepossessionretrospectedrhinocerosesscrupulositysouthernmostspectroscopespectroscopystereoscopesstereoscopicstethoscopesstratospherestroboscopesstroboscopicsuperimposedsuperimposessuppositionstestosteronetheosophicaltheosophiststhermostatictropospherestuberculosestuberculosistyrannosaursunderexposedunderexposesvioloncellosvirtuositiesaccelerandosaeroneurosisaldosteronesanamorphosesanamorphosisanastomosingandrosteroneapostrophizeapotheosizedapotheosizesappositionalarthrosporesautohypnosisbackcrossingbacteriostatbasidiosporebiosynthesesbiosynthesisbiosyntheticbladdernosesblastosphereborosilicatebronchoscopebronchoscopycentrospherechondriosomechromospherechronoscopescirrostratusclosefittingclostridiumscosmogonicalcosmographercosmonauticscosmopolitescostermongercrossruffingcyclosporinecyclostylingdecomposabledeoxyribosesdepositionalendoskeletoneosinophilicepanorthosesepanorthosisepimorphosiseuchromosomeexophthalmosexpositionalexpostulatorfemtosecondsferrosiliconfissirostralfurunculosisgalvanoscopegamosepalousgeosynclinalglossematicsglossographygoosesteppedgossipmongergrossularitegymnosophisthallucinosisheadforemosthomosexuallyhospholipasehydrostaticshyperostosishypoglossalshypostasizeshypostatizedhypostatizesichthyosaursicosahedronsintercostalsinternunciosinterposablelachrymoselylachrymositylaparoscopeslaparoscopiclaryngoscopeleucocytosislollapaloosaloosestrifesmalpositionsmeticulositymicroscopistmonosepalousmonospermousneurosciencenimbostratusoctosyllabicoctosyllableopposabilityoppositenessoppositionaloscillogramsoscillographosteogenesisosteomalaciaosteoplasticosteoporoticostracodermsphagocytosisphilosophismphosphaturiaphospholipidphosphorescephotocomposephotosphericphysostomousplesiosauruspositionallypositivisticpositivitiespostcolonialpostdiluvianpostelectionposterioritypostorgasmicpostpositivepostseasonalpostsynapticproboscideanproctoscopesproscriptiveprosecutableprosopopoeiapsychognosispsychosexualpsychosocialpyrognosticsradiosurgeryreimpositionrepositionedsacrosanctlysalpiglossissarcomatosisschistosomesseropositivesiphonostelesuffruticosesuperposablesuppositioussynchroscopeteleutosporethermosiphonthermospherethiosinaminetortuositiestracheostomytransposabletropospherictuberositiesurethroscopeviolincellosacrosticallyaerosolizingafficionadosallosaurusesanaerobiosesanaerobiosisanaplasmosesanaplasmosisankylosaurusanorthositesanorthositicanthracnosesantimosquitoapostatisingapostolicityapostrophiseappositivelyarabinosidesarchosaurianautohypnosesautosuggestsazoospermiasbabesiosisesbioscientistblastosporesbronchospasmcandyflossescatholicosescaudillismoscerebrosideschemiosmoticchemosurgerycinquecentoscohostessingcomposednesscoprosperitycosmeticizedcosmeticizescosmochemistcosmographiccosmopolisescosurfactantcountermemoscounterposedcounterposescraniosacralcrossabilitycrossbandingcrossbarringcrossbearerscryosurgeonscryosurgicalcycloserinescystoscopiescytoskeletalcytoskeletondepositariesdeuterostomediagnoseablediagnosticaldiapositivesdichlorvosesdichroscopesdictyostelesdiphosphatesdispossessorembarcaderosendoskeletalendosymbiontengrossinglyenterostomaleosinophiliaerythrosinesethnosciencefibrosarcomafibrositidesfibrositisesfluoroscopedfrostbitingsfurunculosesgalactosemiagalactosemicgalactosidesgangliosidesgastroscopesgastroscopicgeoscientistgeostrategicglossolalistglucosaminesglucosidasesglycosidasesglycosylatedglycosylatesgoosegrasseshallucinoseshemosiderinshomozygosityhospitalisedhospitaliseshydrospherichyoscyamineshyperostoseshyperostoticinappositelyinosculatinginosculationintercrossedintercrossesketosteroidskinetoscopeslaryngoscopyleprosariumsleukocytosesleukocytosislithosphericmacrocytosesmacrocytosismacrofossilsmicrofossilsmicroseismicmicrospheresmicrosporousmispositionsmonospecificmonosynapticmyoinositolsnebulositiesneostigminesnephrostomesneurosensorynitrosaminesnoncomposersnoncrossovernonhospitalsnonphosphatenonpurposiveosmolalitiesosmolaritiesosteoblasticosteoclasticosteogenesesosteologicalosteologistsosteosarcomaotiosenessesotosclerosesotosclerosisovipositionsozonospheresphagocytosedphagocytosesphilosophisephosphatasesphosphatidesphosphatidicphosphatidylphosphatizedphosphatizesphosphoniumsphosphoritesphosphoriticphotomosaicsphotosettersphotosettingphotospheresphotosystemsphytosterolspittosporumspollenosises

About this list

Words
584 (171 common words)
Common example
agnosticisms
Rare example
zoosporangia
Doubled letters
119
Ending in S
282
Most frequent letter
E (424)

Questions

How many 12-letter words containing os are there?

584. 171 of them are common words.

What is a common example?

AGNOSTICISMS is among the common words in this set.