13-Letter Words Matching ______I_R____

There are 22 13-letter words that match ______I_R____. 4 are common words, such as NONRECIPROCAL and RECALCITRANCE. A rarer one is TRANSPIERCING. In this set, E is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 22

nonreciprocalrecalcitrancetransmigratedtransmigratesincendiarismslamellibranchmultivibratorrecalcitrancytransmigratoracetonitrilesdumortieritesgranodioritesgranodioritichyperhidroseshyperhidrosismyelofibrosesmyelofibrosismyelofibroticneurofibromasnonimmigrantsrecalcitrantstranspiercing

About this list

Words
22 (4 common words)
Common example
nonreciprocal
Rare example
transpiercing
Doubled letters
2
Ending in S
12
Most frequent letter
E (18)

Questions

How many 13-letter words matching ______i_r____ are there?

22. 4 of them are common words.

What is a common example?

NONRECIPROCAL is among the common words in this set.