15-Letter Words Matching ____D_______S__

There are 18 15-letter words that match ____D_______S__. 10 are common words, such as ASSIDUOUSNESSES and BLOODLESSNESSES. A rarer one is WITHDRAWNNESSES. 15 words contain a doubled letter.

Full list 18

assiduousnessesbloodlessnessesboundlessnesseschildlessnessesimmediatenessesinsidiousnessesinvidiousnessesmaladroitnessesmelodiousnessessteadfastnessesaerodynamicistschildlikenessescloudlessnessesdeciduousnessesgrandiosenessespseudomorphismsrepudiationistswithdrawnnesses

About this list

Words
18 (10 common words)
Common example
assiduousnesses
Rare example
withdrawnnesses
Doubled letters
15
Ending in S
18

Questions

How many 15-letter words matching ____d_______s__ are there?

18. 10 of them are common words.

What is a common example?

ASSIDUOUSNESSES is among the common words in this set.