15-Letter Words Matching _________I_U___

There are 15 15-letter words that match _________I_U___. 9 are common words, such as CONSCIENTIOUSLY and EXTRACURRICULAR. A rarer one is ULTIMOGENITURES. 3 words contain a doubled letter.

Full list 15

conscientiouslyextracurricularperspicaciouslysanctimoniouslysuperstitiouslysurreptitiouslyunceremoniouslyunpretentiouslyverisimilitudesdisharmoniouslyoverambitiouslyinefficaciouslyparamyxovirusessubreptitiouslyultimogenitures

About this list

Words
15 (9 common words)
Common example
conscientiously
Rare example
ultimogenitures
Doubled letters
3
Ending in S
3

Questions

How many 15-letter words matching _________i_u___ are there?

15. 9 of them are common words.

What is a common example?

CONSCIENTIOUSLY is among the common words in this set.