10-Letter Words Matching O_______C_

There are 13 10-letter words that match O_______C_. 7 are common words, such as OBSERVANCE and OBSTETRICS. A rarer one is OVERSTRUCK. 2 words contain a doubled letter.

Full list 13

observanceobstetricsoccurrenceoutbalanceoutproduceoutstretchoverstrictochlocracyonomasticsordonnanceoverbleachoverdirectoverstruck

About this list

Words
13 (7 common words)
Common example
observance
Rare example
overstruck
Doubled letters
2
Ending in S
2

Questions

How many 10-letter words matching o_______c_ are there?

13. 7 of them are common words.

What is a common example?

OBSERVANCE is among the common words in this set.