13-Letter Words Matching ______A__R___

There are 31 13-letter words that match ______A__R___. 9 are common words, such as AMBASSADORIAL and COSIGNATORIES. A rarer one is SUPERMAJORITY. In this set, I is the most frequent open letter (28 words). 3 words contain a doubled letter.

Full list 31

Common words

ambassadorialcosignatoriesgallimaufriesgubernatorialmouthwateringobservatoriesreformatoriessupernaturalssupersaturatearchimandritecombinatorialexplanatorily
ambassadorialcosignatoriesgallimaufriesgubernatorialmouthwateringobservatoriesreformatoriessupernaturalssupersaturatearchimandritecombinatorialexplanatorilylegislatorialoverelaboratesubequatorialsubtreasuriesantislaveriescombinatoricsdeprecatorilyexpurgatorialglasspaperinghaphazardriesinformatorilyinterlayeringmasticatoriesnonmanagerialoverglamorizephosphaturiaspreparatorilyprocuratorialsupermajority

About this list

Words
31 (9 common words)
Common example
ambassadorial
Rare example
supermajority
Doubled letters
3
Ending in S
11
Most frequent letter
I (28)

Questions

How many 13-letter words matching ______a__r___ are there?

31. 9 of them are common words.

What is a common example?

AMBASSADORIAL is among the common words in this set.