12-Letter Words Matching U_I_________

There are 38 12-letter words that match U_I_________. 18 are common words, such as UBIQUITOUSLY and UNIDENTIFIED. A rarer one is URINOGENITAL. In this set, N is the most frequent open letter (36 words). 9 words contain a doubled letter.

Full list 38

Common words

ubiquitouslyunidentifiedunificationsuniformitiesunilaterallyunimaginableunimpressiveuninfluenceduninstallinguninstructeduninterestedunionization
ubiquitouslyunidentifiedunificationsuniformitiesunilaterallyunimaginableunimpressiveuninfluenceduninstallinguninstructeduninterestedunionizationuniquenessesuniversalityuniversalizeuniversitiesutilitariansutilizationsuninstallersubiquitarianunifoliolateunimaginablyunimportanceuninvitinglyuniversalismuniversalistunicamerallyunillusioneduninoculatedunintegratedunionisationunironicallyunirradiatedunisexualityunitarianismunitizationsuricotelismsurinogenital

About this list

Words
38 (18 common words)
Common example
ubiquitously
Rare example
urinogenital
Doubled letters
9
Ending in S
9
Most frequent letter
N (36)

Questions

How many 12-letter words matching u_i_________ are there?

38. 18 of them are common words.

What is a common example?

UBIQUITOUSLY is among the common words in this set.