13-Letter Words Matching _______I____R

There are 16 13-letter words that match _______I____R. 2 are common words, such as DISCRIMINATOR and PERPENDICULAR. A rarer one is SUBMILLIMETER. In this set, T is the most frequent open letter (14 words). 5 words contain a doubled letter.

Full list 16

discriminatorperpendicularredistributorattitudinizerauthenticatorconventioneerindoctrinatorreconnoiterervasoinhibitorcandlelightercoconspiratorpredestinatorrehabilitatorsaccharimetersubmandibularsubmillimeter

About this list

Words
16 (2 common words)
Common example
discriminator
Rare example
submillimeter
Doubled letters
5
Ending in S
0
Most frequent letter
T (14)

Questions

How many 13-letter words matching _______i____r are there?

16. 2 of them are common words.

What is a common example?

DISCRIMINATOR is among the common words in this set.