10-Letter Words Containing UM

There are 498 10-letter words that contain UM. 216 are common words, such as ACCUMULATE and ADUMBRATED. A rarer one is VOLUMETERS. In this set, I is the most frequent open letter (338 words). 119 words contain a doubled letter.

Full list 498

Common words

accumulateadumbratedadumbratesalbuminousaluminiumsamericiumsantebellumantiserumsarboretumsassumptionassumptiveauditorium
accumulateadumbratedadumbratesalbuminousaluminiumsamericiumsantebellumantiserumsarboretumsassumptionassumptiveauditoriumberkeliumsberylliumsbituminousbreadcrumbbubblegumsbumblebeescalumniatecalumniouscerebellumchumminesscircumcisecircumflexcircumventclumsinesscolloquiumcolostrumscolumbinescolumnistscompendiumconsortiumconsumableconsummatecontinuumsconundrumscrumbliestcrumminesscumbersomecummerbundcumulativecurriculumdehumanizedehumidifydelphiniumdeuteriumsdocumenteddrumsticksdumbfoundsdumbnessesdumbstruckdumbwaiterdumfoundeddysprosiumecumenicalecumenismseffluviumsemolumentsencumberedenumerableenumeratedenumeratesenumeratorepitheliumexhumationflagellumsflummoxingfumblinglyfumigatingfumigationfumigatorsgadoliniumgalumphinggermaniumsglumnessesgoosebumpsgrumpinessgumshoeinggymnasiumsharmoniumshonorariumhumanenesshumanistichumanitieshumanizershumanizinghumblenesshumbugginghumdingershumidifiedhumidifierhumidifieshumiditieshumiliatedhumiliateshumilitieshumorouslyhumpbackedilluminateilluminingincumbencyincumbentsincumberedinhumanelyinhumanityinnumeracyinnumerateinstrumentintegumentkettledrumlanthanumslawrenciumleguminouslumberingslumberjacklumberyardluminariesluminosityluminouslymagnesiumsmanumittedmausoleumsmeerschaummemorandummidsummersmillenniummolybdenummonumentalmoratoriummummifyingnasturtiumneodymiumsneptuniumsnumberlessnumbnessesnumbskullsnumeraciesnumeratingnumerationnumeratorsnumerologynumerouslynumismaticopprobriumoutnumberspalladiumsparameciumperitoneumpetrolatumpetroleumsplummetingplutoniumspneumoniasposthumouspostpartumpotassiumspracticumspresidiumspresumablepresumablypromethiumprosceniumpummellingquadriviumreferendumrenumberedresumptionrheumaticsrheumatismrheumatoidruminatingruminationruminativerutheniumssanatoriumsanitariumslumberingslumberousstrontiumssubstratumsuccumbingsugarplumssummarizedsummarizessummationssummertimesummitriessummonsingsuperhumansymposiumstechnetiumtelluriumsterrariumsthumbnailsthumbprintthumbscrewthumbtackstrapeziumstraumatizetriumphanttriumphingtrumperiestrumpeterstrumpetingtumbledowntumbleweedtumescencetumiditiestumultuousultimatumsunassumingunconsumedunnumberedvoluminousytterbiumszirconiumsacetabulumacuminatedacuminatesalbumenizealbuminatealbuminoidaltocumulialuminizedaluminizesambulacrumandroeciumanthuriumsapotheciumargumentumascogoniumathenaeumsbituminizebuckjumperbumbailiffcatechumenceruminouscinerariumcircumfusecockalorumcollyriumscolumbariacolumbitescolumbiumsconsumedlycostumierscoumaronescumulatingcumulationcumuliformdecenniumsdiaconicumdiazoniumsdisplumingdocumentaldocumenterduumvirateepicardiumepineuriumepisternumeupatoriumeuphoniumsflummeriesfrumentiesfrumpinessfrumpishlyfumatoriumfumitoriesglochidiumgrumblingsgynoeciumsharrumphedhaustellumhaustoriumhoodlumismhorologiumhumblebeeshumbuggeryhumidistathumoresquehypanthiumichneumonsilluminantilluminatiilluminismilluministindecorumsinhumationinvolucrumkrummhornskummerbundlebensraumlumbricoidluminanceslumisterollumpectomylycopodiummanubriumsmanumittermediumshipmeitneriummiracidiummugwumperymyocardiumnatatoriumnaumachiasnephridiumnummulitesoceanariumommatidiumoperculumsovertrumpspancratiumpanjandrumparapodiumperiosteumplasmodiumplumberiespneumaticsprimordiumprincipiumprocambiumprocumbentpropylaeumprostomiumprotohumanpsalteriumpuerperiumpycnidiumspyrethrumsreassumingrecumbencyresumptivereticulumsruminantlyrumrunnerssargassumsscrummagesseaborgiumsestertiumsimulacrumslumberersspermatiumspodumenessporangiumspumescentstramoniumsubminimumsubselliumsubsumablesudatoriumsummarizersummertreesummerwoodsyncytiumsthumbstalltraumatismtricliniumtriumviraltumblebugsumbilicateumbrageousundertrumpuropygiumsvibraculumvolumetricwampumpeagaluminatesasphaltumsassumpsitsautumnallybejumblingbethumpingbotulinumsbrummagemsbumblinglybumpkinishcafetoriumcallithumpcastoreumscoassumingcolchicumscollegiumscolluviumscolosseumscolumellaecolumellarcriteriumscrumblingscrumpliestcumberbundcumbrouslycymbidiumsdicoumarindicoumaroldicumarolsdoronicumsdrumbeaterdrumfishesduraluminsecumenistsepidendrumequisetumsfumatoriesgelsemiumsharumphinghegumeniesherbariumshoodlumishhumanisinghumblinglyhumectantshummockinghumoristichydroniumsimposthumeimpostumesinfrahumaninnumerousluminairesluminariasluminescedluminesceslumpfishesmaumetriesmenstruumsmummichogsnaumachiaenaumachiesneurohumornonlegumesnumberablenumbfishesnuminousesosmeteriumosmiridiumoutfumbledoutfumblesouthumoredoutjumpingouttrumpedovalbuminsoverpumpedparamylumsperimysiumphyllodiumplumpeningpolemoniumpolygonumspostbellumpraesidiumprenumberspresumedlypterygiumsquadrumvirreargumentrehumanizereluminingreplumbingresummonedrostellumsruminatorssanitoriumschlumpingsclerotiumscrummagedsensoriumssequestrumstomodaeumstomodeumsstumblebumsuboptimumsulfoniumssummarisedsummarisessummeriestsummerlikesummerlongsummiteerssummonablesuperjumbotenaculumsthrummiestthumbholesthumbwheeltraumatisetrienniumstrifoliumstumblerfultumultuaryultrahumanumbelliferumbilicalsumbrellaeduncrumpleduncrumplesunhumorousvolumeters

About this list

Words
498 (216 common words)
Common example
accumulate
Rare example
volumeters
Doubled letters
119
Ending in S
193
Most frequent letter
I (338)

Questions

How many 10-letter words containing um are there?

498. 216 of them are common words.

What is a common example?

ACCUMULATE is among the common words in this set.