13-Letter Words Matching ___UM________

There are 39 13-letter words that match ___UM________. 13 are common words, such as ACCUMULATIONS and ARGUMENTATION. A rarer one is TRIUMPHALISTS. In this set, T is the most frequent open letter (34 words). 8 words contain a doubled letter.

Full list 39

Common words

accumulationsargumentationargumentativecalumniationsdehumidifiersdehumidifyingdocumentariesdocumentationilluminationspneumaticallyrheumaticallyscrumptiously
accumulationsargumentationargumentativecalumniationsdehumidifiersdehumidifyingdocumentariesdocumentationilluminationspneumaticallyrheumaticallyscrumptiouslytraumaticallycolumelliformcolumniationsdocumentariandocumentaristilluminometerintumescencesmonumentalismmonumentalitymonumentalizepneumatographpneumatometerpneumatophorepneumogastricpneumonectomythaumaturgistdetumescencesdocumentalistdocumentarilyencumbrancersinhumannessespneumatolyticpneumonitidespneumonitisesthaumaturgiestriumphalismstriumphalists

About this list

Words
39 (13 common words)
Common example
accumulations
Rare example
triumphalists
Doubled letters
8
Ending in S
15
Most frequent letter
T (34)

Questions

How many 13-letter words matching ___um________ are there?

39. 13 of them are common words.

What is a common example?

ACCUMULATIONS is among the common words in this set.