15-Letter Words Matching ____D____N_____

There are 20 15-letter words that match ____D____N_____. 11 are common words, such as ASSIDUOUSNESSES and BLOODLESSNESSES. A rarer one is WITHDRAWNNESSES. In this set, E is the most frequent open letter (20 words). 17 words contain a doubled letter.

Full list 20

assiduousnessesbloodlessnessesboundlessnesseschildlessnessesdehydrogenatingimmediatenessesinsidiousnessesinvidiousnessesmaladroitnessesmelodiousnessessteadfastnessesdehydrogenationchildlikenessesclandestinenessclandestinitiescloudlessnessesdeciduousnessesgrandiosenessesgrandparenthoodwithdrawnnesses

About this list

Words
20 (11 common words)
Common example
assiduousnesses
Rare example
withdrawnnesses
Doubled letters
17
Ending in S
17
Most frequent letter
E (20)

Questions

How many 15-letter words matching ____d____n_____ are there?

20. 11 of them are common words.

What is a common example?

ASSIDUOUSNESSES is among the common words in this set.