14-Letter Words Matching _____I______R_

There are 12 14-letter words that match _____I______R_. 4 are common words, such as ADMINISTRATORS and DISCRIMINATORS. A rarer one is REINVIGORATORS. In this set, T is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 12

administratorsdiscriminatorsdiscriminatoryunsatisfactoryclassificatorypartridgeberryrecapitulatorycontainerboardelectioneerersproprioceptorsrehabilitatorsreinvigorators

About this list

Words
12 (4 common words)
Common example
administrators
Rare example
reinvigorators
Doubled letters
3
Ending in S
6
Most frequent letter
T (12)

Questions

How many 14-letter words matching _____i______r_ are there?

12. 4 of them are common words.

What is a common example?

ADMINISTRATORS is among the common words in this set.