15-Letter Words Matching ____D_____E____

There are 22 15-letter words that match ____D_____E____. 12 are common words, such as ASSIDUOUSNESSES and BLOODLESSNESSES. A rarer one is WITHDRAWNNESSES. 17 words contain a doubled letter.

Full list 22

assiduousnessesbloodlessnessesboundlessnesseschildlessnessesgrandiloquencesimmediatenessesinsidiousnessesinvidiousnessesmaladroitnessesmelodiousnessespreadolescencessteadfastnessesgrandiloquentlybasidiomycetouschildlikenessesclandestinenesscloudlessnessesdeciduousnessesgrandiosenessesoverdependencesunendurablenesswithdrawnnesses

About this list

Words
22 (12 common words)
Common example
assiduousnesses
Rare example
withdrawnnesses
Doubled letters
17
Ending in S
21

Questions

How many 15-letter words matching ____d_____e____ are there?

22. 12 of them are common words.

What is a common example?

ASSIDUOUSNESSES is among the common words in this set.