14-Letter Words Matching ______D_N_____

There are 20 14-letter words that match ______D_N_____. 7 are common words, such as ATTITUDINIZING and COINCIDENTALLY. A rarer one is VALETUDINARIES. In this set, I is the most frequent open letter (19 words). 9 words contain a doubled letter.

Full list 20

attitudinizingcoincidentallylatitudinarianthermodynamicsunsteadinessesunwieldinessesvaletudinarianattitudinarianforeordinationincoordinationpneumodynamicspsychodynamicsattitudinisingchromodynamicsdisburdenmentsforebodingnessnoncondensablesolitudinarianupstandingnessvaletudinaries

About this list

Words
20 (7 common words)
Common example
attitudinizing
Rare example
valetudinaries
Doubled letters
9
Ending in S
10
Most frequent letter
I (19)

Questions

How many 14-letter words matching ______d_n_____ are there?

20. 7 of them are common words.

What is a common example?

ATTITUDINIZING is among the common words in this set.