14-Letter Words Matching ______I_____R_

There are 18 14-letter words that match ______I_____R_. 1 are common words, such as TRANQUILLIZERS and AFFENPINSCHERS. A rarer one is ULTRAMINIATURE. In this set, T is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 18

tranquillizersaffenpinschersdefibrillatorsmicrocircuitrypotentiometersreconciliatorytransmigratorydemultiplexerseditorializershyperpituitaryintelligencersmaladministersmicrominiaturephotofinisherspyrheliometerssuperministerstransmigratorsultraminiature

About this list

Words
18 (1 common words)
Common example
tranquillizers
Rare example
ultraminiature
Doubled letters
4
Ending in S
12
Most frequent letter
T (17)

Questions

How many 14-letter words matching ______i_____r_ are there?

18. 1 of them are common words.

What is a common example?

TRANQUILLIZERS is among the common words in this set.