13-Letter Words Matching ____O___C____

There are 56 13-letter words that match ____O___C____. 19 are common words, such as CHIROPRACTICS and CHIROPRACTORS. A rarer one is TURBOELECTRIC. In this set, I is the most frequent open letter (47 words). 12 words contain a doubled letter.

Full list 56

Common words

chiropracticschiropractorsdisconnectingdisconnectionefflorescencehydroelectricinflorescenceintrospectingintrospectionintrospectivemicrocircuitsmisconducting
chiropracticschiropractorsdisconnectingdisconnectionefflorescencehydroelectricinflorescenceintrospectingintrospectionintrospectivemicrocircuitsmisconductingnitroglycerinnonconductingnonconductorsphotoelectricretrospectingretrospectionretrospectiveadenoidectomybignoniaceousferroconcreteferroelectricfibrovascularlissotrichousmagnoliaceousmastoidectomyneuromuscularneurovascularphotoelectronpiezoelectricpromonarchistsacrosanctityeugeosynclinefibrosarcomashydrocrackershydrocrackingmicropuncturemicrovascularmisconnectingmisconnectionnoncollectorsnonconductionnonconductivenonconnectionorthoepicallyosteosarcomasphotoreactionplerocercoidspreconvictionretroflectionsubcollectionsubcoriaceousthyroidectomytriboelectricturboelectric

About this list

Words
56 (19 common words)
Common example
chiropractics
Rare example
turboelectric
Doubled letters
12
Ending in S
13
Most frequent letter
I (47)

Questions

How many 13-letter words matching ____o___c____ are there?

56. 19 of them are common words.

What is a common example?

CHIROPRACTICS is among the common words in this set.