15-Letter Words Matching ____E___R______

There are 13 15-letter words that match ____E___R______. 4 are common words, such as CONTEMPORANEITY and CONTEMPORANEOUS. A rarer one is PREPERFORMANCES. In this set, A is the most frequent open letter (13 words). 2 words contain a doubled letter.

Full list 13

contemporaneitycontemporaneouskindergartenersnonperformancescholestyraminescommensurationsconcelebrationsdistemperaturesmismeasurementsnoncelebrationsovereagernessesoverentertainedpreperformances

About this list

Words
13 (4 common words)
Common example
contemporaneity
Rare example
preperformances
Doubled letters
2
Ending in S
11
Most frequent letter
A (13)

Questions

How many 15-letter words matching ____e___r______ are there?

13. 4 of them are common words.

What is a common example?

CONTEMPORANEITY is among the common words in this set.