13-Letter Words Matching _____R___R___

There are 18 13-letter words that match _____R___R___. 2 are common words, such as AUTHORITARIAN and TENDERHEARTED. A rarer one is WINTERBERRIES. In this set, O is the most frequent open letter (15 words). 4 words contain a doubled letter.

Full list 18

authoritariantenderheartedachlorhydriascalcariferousexterritorialoverprescribecryopreservedcryopreserveselectrodermalelectroformednoradrenergicpreparatorilyprocuratorialrechoreographscalariformlysilverberriesunderreportedwinterberries

About this list

Words
18 (2 common words)
Common example
authoritarian
Rare example
winterberries
Doubled letters
4
Ending in S
5
Most frequent letter
O (15)

Questions

How many 13-letter words matching _____r___r___ are there?

18. 2 of them are common words.

What is a common example?

AUTHORITARIAN is among the common words in this set.