12-Letter Words Matching V_________S_

There are 20 12-letter words that match V_________S_. 3 are common words, such as VIBRAPHONIST and VIRTUOUSNESS. A rarer one is VOLUNTARYIST. In this set, N is the most frequent open letter (19 words). 15 words contain a doubled letter.

Full list 20

vibraphonistvirtuousnessvolunteerismvaporousnessvariablenessvengefulnessvenomousnessvigilanteismvigorousnessvitreousnessvoluntaryismvaluablenessvaporishnessverticalnessvibraharpistviolablenessvoicefulnessvoidablenessvolatilenessvoluntaryist

About this list

Words
20 (3 common words)
Common example
vibraphonist
Rare example
voluntaryist
Doubled letters
15
Ending in S
14
Most frequent letter
N (19)

Questions

How many 12-letter words matching v_________s_ are there?

20. 3 of them are common words.

What is a common example?

VIBRAPHONIST is among the common words in this set.