12-Letter Words Matching I_______R___

There are 23 12-letter words that match I_______R___. 11 are common words, such as IDIOSYNCRASY and INCENDIARIES. A rarer one is INVITATORIES. In this set, E is the most frequent open letter (22 words). 5 words contain a doubled letter.

Full list 23

idiosyncrasyincendiariesinspectorateintercoursesintermarriedintermarriesinterspersedinterspersesintrauterineinvertebrateirregularityiconolatriesicosahedronsincendiarismindeliberateintercurrentinteroperateimperatorialinstructressinterlibraryinterneuronsintersterileinvitatories

About this list

Words
23 (11 common words)
Common example
idiosyncrasy
Rare example
invitatories
Doubled letters
5
Ending in S
9
Most frequent letter
E (22)

Questions

How many 12-letter words matching i_______r___ are there?

23. 11 of them are common words.

What is a common example?

IDIOSYNCRASY is among the common words in this set.