12-Letter Words Matching _UM_________

There are 37 12-letter words that match _UM_________. 20 are common words, such as CUMULATIVELY and CUMULONIMBUS. A rarer one is TUMEFACTIONS. In this set, S is the most frequent open letter (29 words). 14 words contain a doubled letter.

Full list 37

Common words

cumulativelycumulonimbusdumbfoundinghumanenesseshumanitarianhumanizationhumblenesseshumiliationshummingbirdshumorousnessluminescenceluminosities
cumulativelycumulonimbusdumbfoundinghumanenesseshumanitarianhumanizationhumblenesseshumiliationshummingbirdshumorousnessluminescenceluminositiesmumbletypegsnumerologiesnumerologistnumismatistspumpernickelrumormongerssummerhousestumultuouslycumbersomelycumbrousnessdumortieriteluminiferousluminousnesslumpectomiesnumerousnesspumpkinseedsruminativelybumbershootsdumbfoundershumbuggerieshumificationnuminousnesssummarizablesummersaultstumefactions

About this list

Words
37 (20 common words)
Common example
cumulatively
Rare example
tumefactions
Doubled letters
14
Ending in S
24
Most frequent letter
S (29)

Questions

How many 12-letter words matching _um_________ are there?

37. 20 of them are common words.

What is a common example?

CUMULATIVELY is among the common words in this set.