Words that start with 'o' and contain 'um'


You will undoubtedly discover the ideal words that start with 'o' and include 'um', because there's upwards of 100 words.

4 letter words

  • odum
  • ogum
  • ovum

5 letter words

  • oakum
  • odeum
  • odium
  • oleum
  • onium
  • opium
  • otium

6 letter words

  • oakums
  • oarium
  • ocimum
  • odiums
  • oidium
  • okoume
  • oleums
  • omasum
  • omnium
  • opiums
  • osmium
  • ostium
  • outsum
  • ovulum

7 letter words

  • oestrum
  • offscum
  • ogonium
  • omentum
  • ooecium
  • opossum
  • oppidum
  • optimum
  • orarium
  • organum
  • orpheum
  • osculum
  • osmiums
  • otidium
  • otozoum
  • outjump
  • outswum
  • ovarium
  • oversum
  • oxonium
  • ozonium

8 letter words

  • oestrums
  • olibanum
  • olpidium
  • omentums
  • ommateum
  • omoideum
  • oncidium
  • onychium
  • ooangium
  • oogonium
  • ophidium
  • opiumism
  • opossums
  • oppossum
  • opsonium
  • optimums
  • oraculum
  • ordalium
  • organums
  • origanum
  • orontium
  • ossarium
  • ostracum
  • outhumor
  • outjumps
  • outtrump
  • overjump
  • oviculum

9 letter words

  • obligatum
  • obsequium
  • obumbrant
  • obumbrate
  • oecumenic
  • olibanums
  • omentulum
  • omnihuman
  • onchidium
  • oncidiums
  • oogoniums
  • operculum
  • opiumisms
  • opusculum
  • oratorium
  • origanums
  • ossiculum
  • ossuarium
  • otoconium
  • outhumors
  • outjumped
  • outnumber
  • outsummed
  • outtrumps
  • ovalbumen
  • ovalbumin
  • overhuman
  • overplumb
  • overplume
  • overplump
  • overtrump
  • ovogonium
  • oxygenium

10 letter words

  • obumbrated
  • oceanarium
  • octavarium
  • odiumproof
  • oecumenian
  • oedogonium
  • ommatidium
  • omosternum
  • onosmodium
  • operculums
  • opprobrium
  • orichalcum
  • osmaterium
  • osmeterium
  • osmiridium
  • osphradium
  • otocranium
  • outhumored
  • outjumping
  • outnumbers
  • outsumming
  • outtrumped
  • overassume
  • overcumber
  • overhumane
  • overhumble
  • overhumbly
  • overnumber
  • overtumble
  • oxycalcium
  • oxydendrum

11 letter words

  • observandum
  • obumbrating
  • obumbration
  • oecumenical
  • omphalodium
  • oophoridium
  • opobalsamum
  • opprobriums
  • organistrum
  • ostensorium
  • outhumoring
  • outnumbered
  • outtrumping
  • overassumed
  • overconsume
  • oxycoumarin

12 letter words

  • oecumenicity
  • omnihumanity
  • onohippidium
  • oophoridiums
  • oosporangium
  • ophioglossum
  • organosodium
  • ornithogalum
  • osteocranium
  • osteoglossum
  • outnumbering
  • ovariolumbar
  • overassuming
  • overconsumed
  • overhumanity
  • overhumanize
  • overnumerous

13 letter words

  • odontoglossum
  • oleosaccharum
  • organolithium
  • orthocoumaric
  • orthoplumbate
  • overbumptious
  • overconsuming
  • overhumanized
  • overplumpness

14 letter words

  • oecumenicalism
  • organochordium
  • ovatoacuminate
  • overaccumulate
  • overassumption
  • overassumptive
  • overhumanizing
  • overhumbleness
  • overnumerously
  • oxyluminescent

15 letter words

  • oesophagostomum
  • opthalmophorium
  • organomagnesium
  • osseoalbuminoid
  • overaccumulated
  • overbumptiously
  • overcircumspect
  • overconsumption
  • overpresumption
  • overpresumptive
  • oxyluminescence

16 letter words

  • overaccumulating
  • overaccumulation
  • overassumptively
  • overnumerousness
  • overpresumptuous

17 letter words

  • overargumentative
  • overbumptiousness
  • overpresumptively

18 letter words

  • overcircumspection
  • overpresumptuously

19 letter words

  • overargumentatively
  • overpresumptiveness

20 letter words

  • overpresumptuousness

21 letter words

  • overargumentativeness

In total, how many words are possible to make using this list?
From this page of words starting with 'o' that contain 'um', Dictionarypedia has found 214 unique entries which can be selected.

Is there a distinct word from this page of word that starts with 'o' and includes 'um' which might be deemed as interesting in any regard?
The most unusual word from this page is surely 'odeum'. 'Odeum' is defined as "See Odeon.", according to the English dictionary.

Which word on this page is made up of the largest number of letters?
The word 'overargumentativeness' is made up of 21 characters.

In Scrabble, what is the highest possible score you can get from words starting with 'o' that contain 'um'?
Considering the range of words from which to select, your best bet is to consider 'overjump' which scores 22 points.

Which word on this page stands out as the most popular?
The most common word for your search is 'opium'.