9-Letter Words Matching ____O_C__

There are 12 9-letter words that match ____O_C__. 3 are common words, such as ENSCONCED and ENSCONCES. A rarer one is SCIROCCOS. In this set, E is the most frequent open letter (9 words). 2 words contain a doubled letter.

Full list 12

ensconcedensconcesprobosciscartouchepennoncelproboscesandroecianonconcuroutvoicedoutvoicesretroactssciroccos

About this list

Words
12 (3 common words)
Common example
ensconced
Rare example
sciroccos
Doubled letters
2
Ending in S
6
Most frequent letter
E (9)

Questions

How many 9-letter words matching ____o_c__ are there?

12. 3 of them are common words.

What is a common example?

ENSCONCED is among the common words in this set.