15-Letter Words Matching R___________E__

There are 20 15-letter words that match R___________E__. 7 are common words, such as REAPPORTIONMENT and REESTABLISHMENT. A rarer one is RUDIMENTARINESS. In this set, E is the most frequent open letter (19 words). 14 words contain a doubled letter.

Full list 20

reapportionmentreestablishmentremorselessnessrepetitiousnessresourcefulnessrestrictivenessretrospectivelyreproachfulnessresponsiblenessretrogressivelyrumbustiousnessreduplicativelyrefrangiblenessremanufacturersremonstrativelyrespectablenessretroperitonealrevolutionizersroundheadednessrudimentariness

About this list

Words
20 (7 common words)
Common example
reapportionment
Rare example
rudimentariness
Doubled letters
14
Ending in S
13
Most frequent letter
E (19)

Questions

How many 15-letter words matching r___________e__ are there?

20. 7 of them are common words.

What is a common example?

REAPPORTIONMENT is among the common words in this set.