15-Letter Words Matching _____W_________

There are 17 15-letter words that match _____W_________. 5 are common words, such as ACKNOWLEDGEMENT and ACKNOWLEDGMENTS. A rarer one is UNKNOWABILITIES. In this set, E is the most frequent open letter (17 words). 7 words contain a doubled letter.

Full list 17

acknowledgementacknowledgmentsblameworthinesssorrowfulnessestrustworthinessacknowledgeablenorthwestwardlysouthwestwardlyunknowledgeableunseaworthinesscrashworthinesshousewifelinessmouthwateringlymultiwavelengthoversweetnessesunanswerabilityunknowabilities

About this list

Words
17 (5 common words)
Common example
acknowledgement
Rare example
unknowabilities
Doubled letters
7
Ending in S
9
Most frequent letter
E (17)

Questions

How many 15-letter words matching _____w_________ are there?

17. 5 of them are common words.

What is a common example?

ACKNOWLEDGEMENT is among the common words in this set.