9-Letter Words Matching ____O___C

There are 17 9-letter words that match ____O___C. 3 are common words, such as BISHOPRIC and PROTOZOIC. A rarer one is SAPROZOIC. In this set, I is the most frequent open letter (16 words). 1 words contain a doubled letter.

Full list 17

bishopricprotozoicvideodisccoenosarcdianoeticepizooticeutrophicmythopeicorthopticsymposiaccoulombicdiplontichaplonticlogaoedicnonpoeticorthoepicsaprozoic

About this list

Words
17 (3 common words)
Common example
bishopric
Rare example
saprozoic
Doubled letters
1
Ending in S
0
Most frequent letter
I (16)

Questions

How many 9-letter words matching ____o___c are there?

17. 3 of them are common words.

What is a common example?

BISHOPRIC is among the common words in this set.