15-Letter Words Matching W_____________S

There are 19 15-letter words that match W_____________S. 8 are common words, such as WARMHEARTEDNESS and WEATHERIZATIONS. A rarer one is WORRISOMENESSES. 15 words contain a doubled letter.

Full list 19

warmheartednessweatherizationswesternizationswhippersnapperswholesomenesseswonderfulnessesworthlessnesseswrongheadednesswappenschawingswarrantablenesswaterlessnesseswearisomenessesweltanschauungswesternisationswhimsicalnesseswhistleblowingswithdrawnnesseswoebegonenessesworrisomenesses

About this list

Words
19 (8 common words)
Common example
warmheartedness
Rare example
worrisomenesses
Doubled letters
15
Ending in S
19

Questions

How many 15-letter words matching w_____________s are there?

19. 8 of them are common words.

What is a common example?

WARMHEARTEDNESS is among the common words in this set.