13-Letter Words Matching _I_U_________

There are 14 13-letter words that match _I_U_________. 6 are common words, such as LIEUTENANCIES and LIQUEFACTIONS. A rarer one is SITUATIONALLY. In this set, S is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 14

lieutenanciesliquefactionsmisunderstandmisunderstoodvisualizationvituperationssinuousnessesailurophobiasbiculturalismdinucleotidesdisubstitutedpiquantnessesritualizationsituationally

About this list

Words
14 (6 common words)
Common example
lieutenancies
Rare example
situationally
Doubled letters
4
Ending in S
7
Most frequent letter
S (13)

Questions

How many 13-letter words matching _i_u_________ are there?

14. 6 of them are common words.

What is a common example?

LIEUTENANCIES is among the common words in this set.