Words Ending in UM
1211 words ending in UM, from 2 to 15 letters. Pick a length to see its full list.
2 Letter Words Ending in UM
1 words, 1 common- 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
12 Letter Words Ending in UM
75 words- amphithecium26
- androclinium17
- appressorium18
- archesporium21
- bimillennium18
- bulbophyllum26
- calceamentum20
- chlorophytum27
- cladophyllum25
- cladosporium19
- crassamentum18
- cuprammonium22
- darmstadtium18
- deinotherium18
- diverticulum20
- dolphinarium20
- duraluminium17
- epithalamium21
- etymologicum22
- evangelarium18
13 Letter Words Ending in UM
31 words- acaridomatium20
- acarodomatium20
- actinouranium17
- amphigastrium23
- anticlinorium17
- armamentarium19
- chrysanthemum28
- decamethonium23
- evangeliarium19
- ferrochromium25
- hexamethonium30
- hypochondrium29
- inclinatorium17
- lectisternium17
- multiplatinum19
- mycobacterium26
- odontoglossum17
- paramenstruum19
- perichondrium23
- platiniridium18
14 Letter Words Ending in UM
13 words- chondrocranium24
- clavicytherium29
- conservatorium21
- cyanobacterium25
- disciplinarium21
- disequilibrium28
- fideicommissum26
- megasporangium22
- nitrobacterium20
- nonequilibrium27
- radiostrontium17
- sceuophylacium28
- spermatogonium21
15 Letter Words Ending in UM
9 words- 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.