13-Letter Words Matching W_I__________

There are 12 13-letter words that match W_I__________. 5 are common words, such as WAINSCOTTINGS and WEIGHTINESSES. A rarer one is WHITEWASHINGS. 5 words contain a doubled letter.

Full list 12

wainscottingsweightinessesweightliftersweightliftingwhippoorwillswhithersoeverweisenheimerswhigmaleerieswhimsicalnesswhipstitchingwhistleblowerwhitewashings

About this list

Words
12 (5 common words)
Common example
wainscottings
Rare example
whitewashings
Doubled letters
5
Ending in S
8

Questions

How many 13-letter words matching w_i__________ are there?

12. 5 of them are common words.

What is a common example?

WAINSCOTTINGS is among the common words in this set.