13-Letter Words Matching I_______U____

There are 13 13-letter words that match I_______U____. 4 are common words, such as INEFFECTUALLY and INOPPORTUNELY. A rarer one is INTERSEXUALLY. In this set, N is the most frequent open letter (13 words). 5 words contain a doubled letter.

Full list 13

ineffectuallyinopportunelyinterlocutorsinterlocutoryinconsecutiveinconsequenceinopportunityinterlocutioninterlocutrixinterosculateinstinctuallyinterindustryintersexually

About this list

Words
13 (4 common words)
Common example
ineffectually
Rare example
intersexually
Doubled letters
5
Ending in S
1
Most frequent letter
N (13)

Questions

How many 13-letter words matching i_______u____ are there?

13. 4 of them are common words.

What is a common example?

INEFFECTUALLY is among the common words in this set.