11-Letter Words Ending in UM

There are 81 11-letter words that end in UM. 15 are common words, such as CALIFORNIUM and CANDELABRUM. A rarer one is ULTRAVACUUM. In this set, I is the most frequent open letter (71 words). 13 words contain a doubled letter.

Full list 81

Common words

californiumcandelabrumcarborundumcondominiumcrematoriumdesideratumeinsteiniumequilibriumincunabuluminterregnummendeleviumpandemonium
californiumcandelabrumcarborundumcondominiumcrematoriumdesideratumeinsteiniumequilibriumincunabuluminterregnummendeleviumpandemoniumpericardiumplanetariumquadrenniumabecedariumantependiumantheridiumantirrhinumarchegoniumaspergillumaspersoriumcarpogoniumclinandriumclostridiumcolumbariumcorrigendumcypripediumdefiniendumendocardiumendocraniumendometriumendotheciumendotheliumepigastriumflorilegiumfrigidariumgametangiumhesperidiumhydrargyruminsectariumlatifundiumleprosariummesotheliummesothoriummonochasiumostensoriumpelargoniumpenicilliumpericraniumperineuriumperitheciumpolychasiumpolyzoariumpositroniumpromyceliumscriptoriumsporogoniumstylopodiumsubdeliriumsuccedaneumsuperphylumtermitariumunnilhexiumzanthoxylumanimalculumbryophyllumhormogoniummagisteriummediastinumnonaluminumphosphoniumpittosporumpodophyllumproctodaeumprothalliumretinaculumsempervivumstaminodiumtetrazoliumultravacuum

About this list

Words
81 (15 common words)
Common example
californium
Rare example
ultravacuum
Doubled letters
13
Ending in S
0
Most frequent letter
I (71)

Questions

How many 11-letter words ending in um are there?

81. 15 of them are common words.

What is a common example?

CALIFORNIUM is among the common words in this set.