15-Letter Words Matching _________AR____

There are 18 15-letter words that match _________AR____. 4 are common words, such as DISCIPLINARIANS and LATITUDINARIANS. A rarer one is UNIFORMITARIANS. In this set, I is the most frequent open letter (18 words). 3 words contain a doubled letter.

Full list 18

disciplinarianslatitudinariansseptuagenariansvaletudinariansmonosaccharidespolysaccharidesweatherboardingantimilitarismsantimilitaristscounterchargingintercomparisonnonutilitariansparthenocarpiespredestinarianspremillenarianssolitudinarianssubproletariatsuniformitarians

About this list

Words
18 (4 common words)
Common example
disciplinarians
Rare example
uniformitarians
Doubled letters
3
Ending in S
15
Most frequent letter
I (18)

Questions

How many 15-letter words matching _________ar____ are there?

18. 4 of them are common words.

What is a common example?

DISCIPLINARIANS is among the common words in this set.