13-Letter Words Matching ______I_____R

There are 14 13-letter words that match ______I_____R. 1 are common words, such as TRANQUILLIZER and AFFENPINSCHER. A rarer one is SUPERMINISTER. In this set, T is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 14

tranquillizeraffenpinscherdefibrillatoreditorializerintelligencermaladministermultivibratorpotentiometerrequisitionertransmigratordemultiplexerphotofinisherpyrheliometersuperminister

About this list

Words
14 (1 common words)
Common example
tranquillizer
Rare example
superminister
Doubled letters
4
Ending in S
0
Most frequent letter
T (13)

Questions

How many 13-letter words matching ______i_____r are there?

14. 1 of them are common words.

What is a common example?

TRANQUILLIZER is among the common words in this set.