11-Letter Words Containing UM

There are 378 11-letter words that contain UM. 141 are common words, such as ACCUMULATED and ACCUMULATES. A rarer one is UNCRUMPLING. In this set, I is the most frequent open letter (284 words). 87 words contain a doubled letter.

Full list 378

Common words

accumulatedaccumulatesaccumulatoradumbratingadumbrationassumptionsauditoriumsbreadcrumbsbumpinessesbumptiouslycaliforniumcalumniated
accumulatedaccumulatesaccumulatoradumbratingadumbrationassumptionsauditoriumsbreadcrumbsbumpinessesbumptiouslycaliforniumcalumniatedcalumniatescalumniatorcandelabrumcarborundumcerebellumscircumcisedcircumcisescircumpolarcircumspectcircumventscolloquiumscompendiumscondominiumconsortiumsconsumablesconsumerismconsumeristconsummatedconsummatesconsumptionconsumptivecontumaciescontumeliescrematoriumcrumblinesscummerbundscumulonimbicurriculumsdehumanizeddehumanizesdelphiniumsdesideratumdisencumberdocumentarydocumentingdumbfoundeddumbwaitersdumfoundingdumpinessesdysprosiumsecumenicismeinsteiniumencumberingencumbranceenumeratingenumerationenumeratorsepitheliumsequilibriumexhumationsfumigationsgadoliniumshonorariumshumannesseshumidifiershumidifyinghumiliatinghumiliationhummingbirdhumorlesslyilluminableilluminatedilluminatesincumberingincunabuluminnumerableinnumerablyinstrumentsintegumentsinterregnumjumpinesseskettledrumslawrenciumslumberjackslumberyardsluminescentlumpinessesmanumissionmanumittingmeerschaumsmemorandumsmendeleviummillenniumsmolybdenumsmoratoriumsmumbletypegnasturtiumsnumerationsnumericallynumismaticsnumismatistopprobriumsoutnumberedpandemoniumparameciumsperfumeriespericardiumperitoneumspetrolatumsplanetariumplumpnessespresumptionpresumptivepromethiumsprosceniumsquadrenniumreferendumsrenumberingresumptionsrheumatismsruminationsrumormongersanatoriumssanitariumsscrumptioussubstratumssummarizingsummerhousesummertimessumptuouslytechnetiumsthumbprintsthumbscrewstraumatizedtraumatizestriumviratetumbleweedstumescencesumbilicusesabecedariumacetabulumsacuminatingadumbrativealbuminoidsalbuminuriaaltocumulusaluminizingantependiumantheridiumantirrhinumarchegoniumargumentiveaspergillumaspersoriumbituminizedbituminizescarpogoniumcatechumenscircumfusedcircumfusescircumlunarcircumsolarcirrocumuliclinandriumclostridiumcolumbariumconsummatorcorrigendumcypripediumdefiniendumdenumerabledetumescentecumenicistecumenicityendocardiumendocraniumendometriumendotheciumendotheliumenumerativeepigastriumflorilegiumfrigidariumgametangiumgoodhumoredgumminessesharrumphinghesperidiumhumoresqueshydrargyrumilluminanceilluminantsilluminatorinhumannessinhumationsinsectariumintumescentitacolumitelactalbuminlatifundiumleprosariumlumbricalislumpishnessmanumittersmediumisticmesotheliummesothoriummonochasiummyocardiumsnatatoriumsnonruminantnumberplateostensoriumovertrumpedpanjandrumspelargoniumpenicilliumpericraniumperineuriumperitheciumplasmodiumspneumaticalpneumectomypneumococcipneumographpolychasiumpolyzoariumpositroniumpreterhumanprimordiumspromyceliumpumpkinseedrecumbentlyrumbustiousscriptoriumscrumhalvesscrummagingshowjumpingsimulacrumsslumberlandslumgullionsmokejumpersporogoniumstumblinglystylopodiumsubdeliriumsubsumptionsuccedaneumsuffumigatesummabilitysummarinesssummarizerssummationalsummersaultsumptuositysuperphylumtermitariumthaumatropethaumaturgethaumaturgythingumabobthingumajigthingummiesthumbstallstrumpetweedtumefacienttumefactiontumescentlyumbriferousunnilhexiumwampumpeagszanthoxylumalbuminuricanimalculumantidumpingantitumoralbryophyllumbumbershootcafetoriumscallithumpscircumcisercockalorumscolumnisticcostumeriescumberbundscumulationsdenumerablydicoumarinsdicoumarolsdocumentersdrumbeatersdrumbeatingdumbfounderduumviratesepidendrumsepineuriumsgrumblinglyhoodlumismshormogoniumhumidistatsilluminismsilluministsimposthumesinfrahumansinnumerateslebensraumslumbosacralluminescinglycopodiumsmagisteriummediastinummediumshipsmulticolumnmultivolumeneurohumorsnonaluminumnonargumentnonconsumernonluminousoceanariumsoecumenicalosmiridiumsoutfumblingouthumoringouttrumpingoverconsumeoverpumpingpancratiumsphosphoniumpittosporumpneumonitespneumonitispodophyllumpolemoniumspraesidiumsprenumberedpresuminglyprocambiumsproctodaeumprothalliumprotohumansquadriviumsquadrumvirsreargumentsrehumanizedrehumanizesresummoningretinaculumrheumatizessanitoriumsseaborgiumssempervivumsequestrumsstaminodiumstomodaeumsstramoniumsstumblebumssubumbrellasudatoriumssummarisingsummerwoodstetrazoliumthumbtackedthumbwheelstranshumanttraumatisedtraumatisestraumatismstrumpetliketumblerfulstumorigenicultravacuumumbellifersumbilicatedumbrellainguncrumpling

About this list

Words
378 (141 common words)
Common example
accumulated
Rare example
uncrumpling
Doubled letters
87
Ending in S
153
Most frequent letter
I (284)

Questions

How many 11-letter words containing um are there?

378. 141 of them are common words.

What is a common example?

ACCUMULATED is among the common words in this set.