15-Letter Words Matching _U_________I___

There are 25 15-letter words that match _U_________I___. 10 are common words, such as AUTHENTICATIONS and FUNDAMENTALISMS. A rarer one is SUPEROVULATIONS. In this set, S is the most frequent open letter (25 words). 3 words contain a doubled letter.

Full list 25

Common words

authenticationsfundamentalismsfundamentalistshumidificationsmultiplicationsquantificationssubstantiationssuperannuationssupererogationssuperscriptionsautosuggestionsautomatizations
authenticationsfundamentalismsfundamentalistshumidificationsmultiplicationsquantificationssubstantiationssuperannuationssupererogationssuperscriptionsautosuggestionsautomatizationseutrophicationsmultiracialismsmusicalizationsquincentennialsrumormongeringssubinfeudationssubproletariatssuperconvenientsuperelevationssuperinductionssuperinfectionssupernutritionssuperovulations

About this list

Words
25 (10 common words)
Common example
authentications
Rare example
superovulations
Doubled letters
3
Ending in S
24
Most frequent letter
S (25)

Questions

How many 15-letter words matching _u_________i___ are there?

25. 10 of them are common words.

What is a common example?

AUTHENTICATIONS is among the common words in this set.