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


Pick out up to a massive 186 suggestions for words that contain 'os' and end in 'um'.

6 letter words

  • osmium
  • ostium
  • possum

7 letter words

  • nostrum
  • opossum
  • osculum
  • positum
  • rosetum
  • rostrum

8 letter words

  • brosimum
  • callosum
  • oppossum
  • ossarium
  • ostracum
  • petrosum
  • posticum
  • rosarium

9 letter words

  • autoserum
  • colosseum
  • colostrum
  • depositum
  • endosteum
  • gossypium
  • holosteum
  • hospitium
  • myoseptum
  • mosocecum
  • ossiculum
  • ossuarium
  • postnotum
  • prosopium
  • rostellum
  • rostrulum
  • symposium
  • triosteum

10 letter words

  • acrosarcum
  • arcosolium
  • closterium
  • coenosteum
  • dysprosium
  • exosporium
  • geoglossum
  • hyosternum
  • iridosmium
  • mesoscutum
  • monosodium
  • monostomum
  • nosocomium
  • omosternum
  • onosmodium
  • osmaterium
  • osmeterium
  • osmiridium
  • osphradium
  • periosteum
  • postbellum
  • postludium
  • postpartum
  • postulatum
  • proscenium
  • prosternum
  • prostomium
  • suppositum

11 letter words

  • acrostichum
  • acrostolium
  • cynoglossum
  • clostridium
  • corvillosum
  • endosporium
  • endosternum
  • endostracum
  • entosternum
  • gynostegium
  • gynostemium
  • hyposcenium
  • hyposternum
  • leprosarium
  • macroseptum
  • mesosporium
  • mesosternum
  • microseptum
  • microsporum
  • myxosporium
  • neostriatum
  • ostensorium
  • phosphonium
  • pittosporum
  • positronium
  • postcentrum
  • postgeminum
  • postscenium
  • proscholium
  • radiosodium
  • sarcoseptum
  • sorosporium
  • zoospermium

12 letter words

  • ancylostomum
  • anthospermum
  • aposaturnium
  • atmospherium
  • cladosporium
  • coeloglossum
  • coleosporium
  • conioselinum
  • drosophyllum
  • gloeosporium
  • glossocomium
  • glossopodium
  • hipposelinum
  • leptospermum
  • lithospermum
  • macrosporium
  • mesostethium
  • microsclerum
  • microscopium
  • oosporangium
  • ophioglossum
  • organosodium
  • osteocranium
  • osteoglossum
  • periostracum
  • petroselinum
  • postbrachium
  • postliminium
  • postscriptum
  • proscutellum
  • prosectorium
  • prosequendum
  • pseudoscutum
  • scleroseptum
  • sporostegium
  • stylostegium
  • trichosporum
  • xiphosternum

13 letter words

  • cardiospermum
  • chondroseptum
  • cochlospermum
  • echinospermum
  • elaphoglossum
  • entomosporium
  • glossotherium
  • heterosporium
  • mesoscutellum
  • myelospongium
  • neurospongium
  • odontoglossum
  • oleosaccharum
  • paleostriatum
  • postscutellum
  • prosporangium
  • pseudostratum
  • zoosporangium

14 letter words

  • castanospermum
  • cephalosporium
  • chrysosplenium
  • elaeosaccharum
  • gynosporangium
  • haemosporidium
  • monosporangium
  • palaeostriatum
  • phosphammonium
  • protostrontium
  • pseudospermium
  • radiostrontium
  • rhinosporidium
  • rhodospirillum
  • sulphoselenium
  • trophospongium
  • zygosporangium

15 letter words

  • actinosphaerium
  • androsporangium
  • batrachospermum
  • carposporangium
  • cylindrosporium
  • gymnosporangium
  • hypnosporangium
  • macrosporangium
  • microsporangium
  • oesophagostomum
  • postmediastinum
  • trachelospermum

16 letter words

  • helminthosporium
  • nitrosobacterium
  • pseudosporangium
  • trichosporangium

17 letter words

  • metapostscutellum

Which word that has 'os' in and ends with 'um' is the most common word in the dictionary?
According to our records, the most popular word in the dictionary that have 'os' in and end with 'um' is 'nostrum'!

What is a strange word on this list?
Our favorite peculiar word from this page goes to 'colosseum'. According to the dictionary, 'colosseum' is defined as "The amphitheater of Vespasian in Rome. [Also written Coliseum.]".

How many actual words could one put together using the combination searched for?
You can assemble 186 words using the specified letter combination.

What is the highest number of points you could get in Scrabble from this list of words that contain 'os' and end in 'um'?
Considering the wide range of words from which to select, you should select 'brosimum' scoring 14 points overall.

What's the largest word you can assemble with this list?
'metapostscutellum'.