15-Letter Words Matching ___O___R_______

There are 20 15-letter words that match ___O___R_______. 5 are common words, such as DECONSTRUCTIONS and DEMONSTRATIVELY. A rarer one is UNCONCERNEDNESS. In this set, I is the most frequent open letter (19 words). 6 words contain a doubled letter.

Full list 20

deconstructionsdemonstrativelyhypothyroidismsreconfirmationsreconstructionsautocorrelationdemonstrabilityimponderabilityincomparabilityreconstructibleuncooperativelyallotetraploidsallotetraploidyautotetraploidsautotetraploidydemonstrationalendometriosisesremonstrativelysecondarinessesunconcernedness

About this list

Words
20 (5 common words)
Common example
deconstructions
Rare example
unconcernedness
Doubled letters
6
Ending in S
9
Most frequent letter
I (19)

Questions

How many 15-letter words matching ___o___r_______ are there?

20. 5 of them are common words.

What is a common example?

DECONSTRUCTIONS is among the common words in this set.