11-Letter Words Matching V_____S____

There are 13 11-letter words that match V_____S____. 6 are common words, such as VACUOUSNESS and VANQUISHERS. A rarer one is VINCRISTINE. 6 words contain a doubled letter.

Full list 13

vacuousnessvanquishersvanquishingvichyssoiseviciousnessviewershipsviridescentviscousnessviziershipsvariousnessvernissagesvinblastinevincristine

About this list

Words
13 (6 common words)
Common example
vacuousness
Rare example
vincristine
Doubled letters
6
Ending in S
8

Questions

How many 11-letter words matching v_____s____ are there?

13. 6 of them are common words.

What is a common example?

VACUOUSNESS is among the common words in this set.