12-Letter Words Matching ______I__U__

There are 14 12-letter words that match ______I__U__. 4 are common words, such as CONDOMINIUMS and EINSTEINIUMS. A rarer one is MULTIPICTURE. 3 words contain a doubled letter.

Full list 14

condominiumseinsteiniumsmicrocircuitmultilingualantheridiumsappoggiaturaclostridiumsdentilingualinterlingualintermixturesubminiatureaspergillumsinterdiffusemultipicture

About this list

Words
14 (4 common words)
Common example
condominiums
Rare example
multipicture
Doubled letters
3
Ending in S
5

Questions

How many 12-letter words matching ______i__u__ are there?

14. 4 of them are common words.

What is a common example?

CONDOMINIUMS is among the common words in this set.