14-Letter Words Matching ___D______N___

There are 21 14-letter words that match ___D______N___. 7 are common words, such as HARDHEADEDNESS and KINDERGARTNERS. A rarer one is ROADWORTHINESS. In this set, E is the most frequent open letter (19 words). 16 words contain a doubled letter.

Full list 21

hardheadednesskindergartnersmindbogglinglypredeterminerspredeterminingproductivenessvindictivenessinadequatenessmendaciousnessnondeterminismpredaciousnesspredeterminateprodigiousnessquadrillionthscreditablenessdisdainfulnesshardhandednessmeddlesomenesspardonablenesspredaceousnessroadworthiness

About this list

Words
21 (7 common words)
Common example
hardheadedness
Rare example
roadworthiness
Doubled letters
16
Ending in S
17
Most frequent letter
E (19)

Questions

How many 14-letter words matching ___d______n___ are there?

21. 7 of them are common words.

What is a common example?

HARDHEADEDNESS is among the common words in this set.