11-Letter Words Matching I________U_

There are 19 11-letter words that match I________U_. 11 are common words, such as IGNOMINIOUS and ILLUSTRIOUS. A rarer one is INTERCAMPUS. In this set, S is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 19

ignominiousillustriousimpecuniousincongruousincredulousincunabulumindustriousinjudiciousinterregnumintravenousirreligiousichthyosaurincapaciousindeciduousinofficiousinsectariumisochronousisomorphousintercampus

About this list

Words
19 (11 common words)
Common example
ignominious
Rare example
intercampus
Doubled letters
4
Ending in S
15
Most frequent letter
S (17)

Questions

How many 11-letter words matching i________u_ are there?

19. 11 of them are common words.

What is a common example?

IGNOMINIOUS is among the common words in this set.