12-Letter Words Containing UM

There are 241 12-letter words that contain UM. 93 are common words, such as ACCUMULATING and ACCUMULATION. A rarer one is VOLUMINOSITY. In this set, I is the most frequent open letter (182 words). 64 words contain a doubled letter.

Full list 241

Common words

accumulatingaccumulationaccumulativeaccumulatorsadumbrationsalphanumericcaliforniumscalumniatingcalumniationcalumniatorscandelabrumscarborundums
accumulatingaccumulationaccumulativeaccumulatorsadumbrationsalphanumericcaliforniumscalumniatingcalumniationcalumniatorscandelabrumscarborundumschumminessescircumcisingcircumcisioncircumflexescircumscribecircumstancecircumventedclumsinessescondominiumsconsumerismsconsumeristsconsummatelyconsummatingconsummationconsumptionsconsumptivescontumaciouscontumeliouscrematoriumscrumminessescumulativelycumulonimbusdehumanizingdehumidifieddehumidifierdehumidifiesdisencumbersdumbfoundingecumenicallyecumenicismseinsteiniumsencumbrancesenumerationsequilibriumsgrumpinesseshumanenesseshumanitarianhumanizationhumblenesseshumiliationshummingbirdshumorousnessilluminatingilluminationincumbenciesinhumanitiesinnumeraciesinstrumentalinstrumentedinterregnumsluminescenceluminositiesmanumissionsmendeleviumsmonumentallymumbletypegsnonnumericalnumerologiesnumerologistnumismatistsoutnumberingpandemoniumspericardiumsplanetariumsposthumouslypraseodymiumpresumptionspresumptuousprotactiniumpumpernickelquadrenniumsrumormongerssummerhousestraumatizingtriumphantlytriumviratestumultuouslyunassuminglyundocumentedunencumberedvoluminouslyalbuminuriasamphitheciumandrocliniumantheridiumsantihumanismantirrhinumsbituminizingbreastsummercalumniouslycircumfluentcircumfluouscircumfusingcircumjacentcircumnutatecircumrotatecirrocumulusclostridiumscolumniationcumbersomelycumbrousnessdetumescencediverticulumdocumentabledumortieriteencumbrancerendocardiumsendometriumsepithalamiumfrumpishnessglenohumeralhibernaculumhypogastriumilluminancesilluminativeinconsumableinfundibulumintegumentalintumescencelactalbuminsluminiferousluminousnesslumpectomiesnielsbohriumnumerousnessovertrumpingperinephriumperionychiumplumbiferouspneumaticitypneumatologypneumococcalpneumococcuspneumothoraxprothalamiumpumpkinseedsquadrumanousquinquenniumradiothoriumruminativelyslumgullionsspermogoniumsubsumptionssuperhumanlysuperphylumssuperpremiumsuperstratumthaumatologythaumaturgicthingumabobsthingumajigstranshumancetransuraniumtriumphalismtriumphalistumbilicationunnilhexiumsunnilpentiumunnilquadiumxiphisternumantependiumsanticonsumerappressoriumarchesporiumaspergillumsassumabilitybryophyllumsbumbershootscircumcentercircumcirclecircumciserscircumfusioncladophyllumconsumershipconsummativeconsummatorsconsummatorycypripediumsdrumbeatingsdumbfoundersecumenicistshumbuggerieshumificationilluminatorsinconsumablyleprosariumsmagisteriumsneurohumoralnonargumentsnonconsumersnonconsumingnonincumbentnonpetroleumnonruminantsnuminousnessoverconsumedoverconsumesoverdocumentpelargoniumsphillumenistphosphoniumspittosporumspneumographspodophyllumspositroniumsprenumberingproctodaeumspseudopodiumreassumptionrecumbenciesrehumanizingrheumatologysempervivumsslumpflationspermagoniumstratocumulisubumbrellassuccedaneumssummarizablesummersaultstetrazoliumsthaumaturgesthumbtackingtranshumantstraumatisingtumefactionsultravacuumsumbrageouslyvoluminosity

About this list

Words
241 (93 common words)
Common example
accumulating
Rare example
voluminosity
Doubled letters
64
Ending in S
113
Most frequent letter
I (182)

Questions

How many 12-letter words containing um are there?

241. 93 of them are common words.

What is a common example?

ACCUMULATING is among the common words in this set.