15-Letter Words Matching __E_________E__

There are 30 15-letter words that match __E_________E__. 5 are common words, such as INEFFECTIVENESS and INEXPENSIVENESS. A rarer one is UNENDURABLENESS. In this set, N is the most frequent open letter (29 words). 24 words contain a doubled letter.

Full list 30

Common words

ineffectivenessinexpensivenesspretentiousnessreestablishmenttreacherousnessineffectualnessoverachievementoverbearingnessoverdevelopmentphenolphthaleinprecipitatenessprecipitousness
ineffectivenessinexpensivenesspretentiousnessreestablishmenttreacherousnessineffectualnessoverachievementoverbearingnessoverdevelopmentphenolphthaleinprecipitatenessprecipitousnessunequivocalnessclearheadednesscrestfallennesseverlastingnessinexcusablenessopenheartednessopenmouthednessoverzealousnessphenylthioureaspleasurablenessprecipitantnessprecipitinogensprefigurativelyprejudicialnesspresentablenessprestigiousnessswellheadednessunendurableness

About this list

Words
30 (5 common words)
Common example
ineffectiveness
Rare example
unendurableness
Doubled letters
24
Ending in S
25
Most frequent letter
N (29)

Questions

How many 15-letter words matching __e_________e__ are there?

30. 5 of them are common words.

What is a common example?

INEFFECTIVENESS is among the common words in this set.