15-Letter Words Matching _____C________N

There are 17 15-letter words that match _____C________N. 3 are common words, such as INTERCONNECTION and PLAINCLOTHESMAN. A rarer one is THYROCALCITONIN. In this set, O is the most frequent open letter (17 words). 5 words contain a doubled letter.

Full list 17

interconnectionplainclothesmanplainclothesmendecalcificationhypercorrectioninterconversionphotoconductionupperclasswomanupperclasswomencholecystokinindeconcentrationintercomparisonmisrecollectionmisvocalizationreconcentrationsubvocalizationthyrocalcitonin

About this list

Words
17 (3 common words)
Common example
interconnection
Rare example
thyrocalcitonin
Doubled letters
5
Ending in S
0
Most frequent letter
O (17)

Questions

How many 15-letter words matching _____c________n are there?

17. 3 of them are common words.

What is a common example?

INTERCONNECTION is among the common words in this set.