Words Ending in UM

1211 words ending in UM, from 2 to 15 letters. Pick a length to see its full list.

  • um4

3 Letter Words Ending in UM

13 words, 9 common
  • bum7
  • cum7
  • dum6
  • gum6
  • hum8
  • mum7
  • rum5
  • sum5
  • tum5
  • fum8
  • lum5
  • vum8
  • yum8

4 Letter Words Ending in UM

20 words, 5 common
  • alum6
  • drum7
  • plum8
  • scum8
  • slum6
  • arum6
  • caum8
  • chum11
  • doum7
  • gaum7
  • geum7
  • glum7
  • grum7
  • neum6
  • ovum9
  • pium8
  • roum6
  • soum6
  • stum6
  • swum9

5 Letter Words Ending in UM

62 words, 7 common
  • album9
  • datum8
  • forum10
  • opium9
  • scrum9
  • serum7
  • thrum10
  • adsum8
  • aevum10
  • agrum8
  • algum8
  • annum7
  • aurum7
  • begum10
  • bonum9
  • cecum11
  • cusum9
  • degum9
  • durum8
  • dwaum11

6 Letter Words Ending in UM

127 words, 10 common
  • asylum11
  • atrium8
  • helium11
  • magnum11
  • medium11
  • museum10
  • podium11
  • quorum17
  • sodium9
  • vacuum13
  • acetum10
  • adytum12
  • aecium10
  • alarum8
  • allium8
  • amomum12
  • amylum13
  • antrum8
  • asarum8
  • barium10

7 Letter Words Ending in UM

137 words, 10 common
  • calcium13
  • lithium12
  • maximum20
  • minimum13
  • optimum13
  • premium13
  • quantum18
  • stadium10
  • tantrum9
  • uranium9
  • agendum11
  • alodium10
  • alumium11
  • alyssum12
  • amentum11
  • arcanum11
  • baculum13
  • ballium11
  • bifidum15
  • blellum11

8 Letter Words Ending in UM

217 words, 10 common
  • aluminum12
  • ammonium14
  • aquarium19
  • chromium17
  • coliseum12
  • momentum14
  • pendulum13
  • platinum12
  • spectrum14
  • titanium10
  • abomasum14
  • achenium15
  • aciculum14
  • aconitum12
  • actinium12
  • addendum13
  • aecidium13
  • aerobium12
  • ageratum11
  • alburnum12

9 Letter Words Ending in UM

206 words, 11 common
  • aluminium13
  • bacterium15
  • continuum13
  • gymnasium17
  • magnesium14
  • palladium14
  • petroleum13
  • plutonium13
  • potassium13
  • symposium18
  • ultimatum13
  • achaenium16
  • americium15
  • anoestrum11
  • anthodium15
  • anthurium14
  • antiserum11
  • arbitrium13
  • arboretum13
  • asphaltum16

10 Letter Words Ending in UM

166 words, 8 common
  • auditorium13
  • compendium19
  • consortium14
  • curriculum16
  • memorandum17
  • millennium14
  • moratorium14
  • referendum16
  • acetabulum16
  • acroterium14
  • ambulacrum18
  • ammoniacum18
  • anacardium15
  • anaerobium14
  • androecium15
  • antebellum14
  • apothecium19
  • argumentum15
  • ascogonium15
  • atracurium14

11 Letter Words Ending in UM

134 words, 2 common
  • condominium18
  • equilibrium24
  • animalculum17
  • antependium16
  • antheridium17
  • antirrhinum16
  • apodyterium19
  • archegonium19
  • aspergillum16
  • aspersorium15
  • bryophyllum26
  • californium18
  • candelabrum18
  • capillitium17
  • carborundum18
  • carpogonium18
  • cassiopeium17
  • clinandrium16
  • clostridium16
  • columbarium19
  • amphithecium26
  • androclinium17
  • appressorium18
  • archesporium21
  • bimillennium18
  • bulbophyllum26
  • calceamentum20
  • chlorophytum27
  • cladophyllum25
  • cladosporium19
  • crassamentum18
  • cuprammonium22
  • darmstadtium18
  • deinotherium18
  • diverticulum20
  • dolphinarium20
  • duraluminium17
  • epithalamium21
  • etymologicum22
  • evangelarium18
  • acaridomatium20
  • acarodomatium20
  • actinouranium17
  • amphigastrium23
  • anticlinorium17
  • armamentarium19
  • chrysanthemum28
  • decamethonium23
  • evangeliarium19
  • ferrochromium25
  • hexamethonium30
  • hypochondrium29
  • inclinatorium17
  • lectisternium17
  • multiplatinum19
  • mycobacterium26
  • odontoglossum17
  • paramenstruum19
  • perichondrium23
  • platiniridium18
  • chondrocranium24
  • clavicytherium29
  • conservatorium21
  • cyanobacterium25
  • disciplinarium21
  • disequilibrium28
  • fideicommissum26
  • megasporangium22
  • nitrobacterium20
  • nonequilibrium27
  • radiostrontium17
  • sceuophylacium28
  • spermatogonium21
  • archaebacterium26
  • corynebacterium26
  • cryptosporidium27
  • enterobacterium21
  • ferromolybdenum28
  • interambulacrum23
  • macrosporangium24
  • microsporangium24
  • tetrasporangium20

Narrower Lists

Words Ending in UM: Questions

How many words ending in UM are there?

There are 1,211 words ending in UM in our dictionary, ranging from 2 to 15 letters long.

What is the longest word ending in UM?

ARCHAEBACTERIUM is one of the longest at 15 letters, which is as long as these lists run.

What are some common words ending in UM?

ALUMINIUM, BACTERIUM, CONTINUUM are among the most familiar words ending in UM. Pick a word length to see the full list for that length.

Are these words ending in UM valid in Scrabble and Words With Friends?

Every word is drawn from a tournament word list, so most are playable everywhere. Open the list for a given length to filter it down to Scrabble US (NWL2023), Scrabble UK (CSW24) or Words With Friends.