Words that contain 'os' and end in 'us'


With a wide variety of choices (556 entries), the world is your oyster.

6 letter words

  • osmous

7 letter words

  • filosus
  • moschus
  • osmerus
  • osmious
  • osseous
  • roseous

8 letter words

  • agnostus
  • bosporus
  • colossus
  • costious
  • eosaurus
  • icosteus
  • myonosus
  • myosurus
  • molossus
  • posticus
  • prosodus
  • prosorus
  • rosinous

9 letter words

  • cynosurus
  • dossennus
  • exosseous
  • homosteus
  • nanosomus
  • naosaurus
  • nebulosus
  • oosporous
  • osmanthus
  • ostentous
  • osteoncus
  • ostiarius
  • perosomus
  • posthumus
  • posticous
  • postnatus
  • postramus
  • rosaceous
  • roseolous
  • somniosus
  • tylosurus
  • venenosus
  • zaglossus

10 letter words

  • aetosaurus
  • allosaurus
  • ambosexous
  • aposporous
  • aprosopous
  • aulostomus
  • boselaphus
  • bradynosus
  • catostomus
  • claosaurus
  • coccosteus
  • colostrous
  • exosporous
  • flosculous
  • fossorious
  • glossoncus
  • halosaurus
  • hyoglossus
  • hyoscyamus
  • holosteous
  • hospitious
  • impostrous
  • isosporous
  • lagostomus
  • mesosaurus
  • mixosaurus
  • morosaurus
  • mosasaurus
  • mucoserous
  • ochronosus
  • oscheoncus
  • ossiferous
  • ossivorous
  • ostraceous
  • phosphorus
  • photonosus
  • pliosaurus
  • posthumous
  • postvenous
  • propositus
  • prospectus
  • prosperous
  • rosmarinus
  • sanoserous
  • simosaurus

11 letter words

  • abelmoschus
  • acrosporous
  • agonostomus
  • altostratus
  • anatosaurus
  • antrostomus
  • apatosaurus
  • aposepalous
  • apostrophus
  • argyrosomus
  • ascosporous
  • astroscopus
  • axospermous
  • camptosorus
  • cardionosus
  • centrosoyus
  • cetiosaurus
  • cnidoscolus
  • compositous
  • costiferous
  • dipsosaurus
  • ectosarcous
  • endosarcous
  • endosporous
  • fibroserous
  • gastronosus
  • gorgosaurus
  • hadrosaurus
  • hypoglossus
  • hypostomous
  • holostomous
  • homosporous
  • homostylous
  • imposterous
  • imposturous
  • interosseus
  • jocoserious
  • keratonosus
  • labrosaurus
  • lepidosteus
  • lepisosteus
  • lestosaurus
  • merostomous
  • mesostylous
  • metostylous

12 letter words

  • angiosporous
  • anisostichus
  • anisostomous
  • ankylosaurus
  • apostematous
  • basilosaurus
  • brontosaurus
  • carposporous
  • ceratosaurus
  • cyclosporous
  • cyclostomous
  • cirrostratus
  • coenosarcous
  • dermatonosus
  • dermoosseous
  • droseraceous
  • edaphosaurus
  • edestosaurus
  • elasmosaurus
  • endospermous
  • gamosepalous
  • gasterosteus
  • gastrostomus
  • genioglossus
  • gymnosporous
  • gymnostomous
  • griphosaurus
  • gryphosaurus
  • heterosomous
  • hylaeosaurus
  • hippoglossus
  • holosomatous
  • improsperous
  • interosseous
  • intraosseous
  • isostemonous
  • latirostrous
  • macrostylous
  • megalosaurus
  • merosomatous
  • microsporous
  • microstylous
  • microstomous
  • myriosporous
  • molybdonosus

13 letter words

  • acrosphacelus
  • aigialosaurus
  • ambrosiaceous
  • angiospermous
  • anisosepalous
  • anisostichous
  • aplostemonous
  • archegosaurus
  • arthrosporous
  • astylosternus
  • atlantosaurus
  • balanoglossus
  • barosinusitus
  • brachiosaurus
  • ceratoglossus
  • chelidosaurus
  • chondrosteous
  • cyclospermous
  • cyclotosaurus
  • coelospermous
  • coniospermous
  • coscinodiscus
  • cumulostratus
  • diospyraceous
  • diplostichous
  • dolichosaurus
  • eosinophilous
  • fossiliferous
  • fractostratus
  • gigantosaurus
  • gymnospermous
  • glossophorous
  • gnathostomous
  • gossaniferous
  • grossulaceous
  • grossularious
  • heterosporous
  • heterostylous
  • hydrosomatous
  • hypostomatous
  • hyposulfurous
  • holosericeous
  • holostomatous
  • ichthyosaurus
  • isospondylous

14 letter words

  • adenostemonous
  • anisostaminous
  • anisostemonous
  • anteposthumous
  • anthracosaurus
  • basidiosporous
  • branchiosaurus
  • chilostomatous
  • chlamydosaurus
  • chondroglossus
  • cyclostomatous
  • ctenostomatous
  • dioscoreaceous
  • diplostemonous
  • discostomatous
  • dolichoglossus
  • dolichostylous
  • emprosthotonus
  • entomostracous
  • exendospermous
  • geosynchronous
  • haplostemonous
  • heterosomatous
  • hydrosulfurous
  • hyposulphurous
  • lepospondylous
  • leptoprosopous
  • ludicroserious
  • macrostomatous
  • malacostracous
  • melanospermous
  • microstomatous
  • myosarcomatous
  • nonphosphorous
  • oligostemonous
  • omphalospinous
  • orchioscirrhus
  • ostariophysous
  • osteochondrous
  • osteodermatous
  • osteostomatous
  • ostracophorous
  • overprosperous
  • pantostomatous
  • papulosquamous

15 letter words

  • allagostemonous
  • angiospermatous
  • angulatosinuous
  • atrosanguineous
  • branchiostegous
  • branchiostomous
  • bulbocavernosus
  • campylospermous
  • carcinoscorpius
  • cheilostomatous
  • cyclospondylous
  • corneosiliceous
  • ferrophosphorus
  • geniohyoglossus
  • gigantostracous
  • gynandrosporous
  • glossopalatinus
  • gnathostomatous
  • heterostemonous
  • heterostrophous
  • hydrosulphurous
  • hypophosphorous
  • macrorhamphosus
  • metaphosphorous
  • monosporiferous
  • mucosanguineous
  • odontostomatous
  • ophthalmosaurus
  • oppositiflorous
  • oppositifolious
  • oscillariaceous
  • palaeospondylus
  • pharyngoglossus
  • phyllostomatous
  • phosphoriferous
  • pyrophosphorous
  • pittosporaceous
  • plagiostomatous
  • prosenchymatous
  • pseudaposporous
  • pseudostomatous
  • pteridospermous
  • radiophosphorus
  • schistoprosopus
  • semicostiferous

16 letter words

  • agnathostomatous
  • amphibolostylous
  • archaeostomatous
  • asterospondylous
  • chlamydoselachus
  • dentatosetaceous
  • deuterostomatous
  • glossopharyngeus
  • grossulariaceous
  • ischiocavernosus
  • mucosocalcareous
  • nervosanguineous
  • nonfossiliferous
  • obdiplostemonous
  • ophioglossaceous
  • oppositipetalous
  • oppositisepalous
  • organophosphorus
  • osteosarcomatous
  • peronosporaceous
  • phyllospondylous
  • phytosuccivorous
  • plectospondylous
  • podostemonaceous
  • postmyxedematous
  • proangiospermous
  • proboscidiferous
  • progymnospermous
  • pseudoprosperous
  • symphyostemonous
  • siphonostomatous
  • stereospondylous
  • sulphosulphurous
  • teliosporiferous
  • trichostrongylus
  • uredosporiferous

17 letter words

  • calcareosiliceous
  • cochlospermaceous
  • crossosomataceous
  • eleutherosepalous
  • epiphyllospermous
  • lymphosarcomatous
  • mastoideosquamous
  • organophosphorous
  • oscillatoriaceous
  • postcartilaginous
  • protosiphonaceous
  • salinosulphureous
  • sulphophosphorous

18 letter words

  • adelarthrosomatous
  • calcareosulphurous
  • chondrosarcomatous
  • costicartilaginous
  • dictyosiphonaceous
  • lupuserythematosus
  • osseocartilaginous
  • osteocartilaginous
  • osteochondromatous
  • pseudosacrilegious
  • teleutosporiferous
  • tuberculatospinous

21 letter words

  • philosophicoreligious

In total, how many words can you make using this list?
There are 556 brilliant words for you to decide on.

Is there a word from this page which might be thought of as unique?
Standing as our favorite peculiar word on this page is 'octospermous'. The accepted definition of 'octospermous' is as follows: "Containing eight seeds.".

In Scrabble, what's the highest possible score you can get from words containing 'os' and ending with 'us'?
Given there are an extensive 556 entries, you'll want to go for 'moschus' which scores 14 points in total.

What's the most common word that has 'os' in and ends with 'us'?
'Prosperous' is the most popular word from this that have 'os' in and end with 'us', ranked 6804th most common word.

How many characters does the longest word on this list contain?
The biggest word derived by our team is 'philosophicoreligious'. It consists of 21 letters.