10-Letter Words Ending in IUM

There are 67 10-letter words that end in IUM. 21 are common words, such as AUDITORIUM and COLLOQUIUM. A rarer one is SCLEROTIUM. In this set, R is the most frequent open letter (50 words). 6 words contain a doubled letter.

Full list 67

Common words

auditoriumcolloquiumcompendiumconsortiumdelphiniumdysprosiumepitheliumgadoliniumhonorariumlawrenciummillenniummoratorium
auditoriumcolloquiumcompendiumconsortiumdelphiniumdysprosiumepitheliumgadoliniumhonorariumlawrenciummillenniummoratoriumnasturtiumopprobriumparameciumpromethiumprosceniumquadriviumsanatoriumsanitariumtechnetiumandroeciumapotheciumascogoniumcinerariumepicardiumepineuriumeupatoriumfumatoriumglochidiumhaustoriumhorologiumhypanthiumlycopodiummeitneriummiracidiummyocardiumnatatoriumnephridiumoceanariumommatidiumpancratiumparapodiumplasmodiumprimordiumprincipiumprocambiumprostomiumpsalteriumpuerperiumseaborgiumsestertiumspermatiumsporangiumstramoniumsubselliumsudatoriumtricliniumcafetoriumosmeteriumosmiridiumperimysiumphyllodiumpolemoniumpraesidiumsanitoriumsclerotium

About this list

Words
67 (21 common words)
Common example
auditorium
Rare example
sclerotium
Doubled letters
6
Ending in S
0
Most frequent letter
R (50)

Questions

How many 10-letter words ending in ium are there?

67. 21 of them are common words.

What is a common example?

AUDITORIUM is among the common words in this set.