15-Letter Words Matching _____C_______O_

There are 12 15-letter words that match _____C_______O_. 1 are common words, such as INTERCONNECTION and CHOLECALCIFEROL. A rarer one is SUBVOCALIZATION. In this set, I is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 12

interconnectioncholecalciferoldecalcificationhypercorrectioninterconversionphotoconductiondeconcentrationintercomparisonmisrecollectionmisvocalizationreconcentrationsubvocalization

About this list

Words
12 (1 common words)
Common example
interconnection
Rare example
subvocalization
Doubled letters
3
Ending in S
0
Most frequent letter
I (12)

Questions

How many 15-letter words matching _____c_______o_ are there?

12. 1 of them are common words.

What is a common example?

INTERCONNECTION is among the common words in this set.