12-Letter Words Matching ____C____O__

There are 42 12-letter words that match ____C____O__. 13 are common words, such as AFFECTATIONS and ANTICIPATORY. A rarer one is VATICINATORS. In this set, S is the most frequent open letter (37 words). 13 words contain a doubled letter.

Full list 42

Common words

affectationsanticipatoryassociationsasynchronousdelectationsdesecrationsdesiccationsemancipatorsenunciationsexpectationsofficialdomsovercautious
affectationsanticipatoryassociationsasynchronousdelectationsdesecrationsdesiccationsemancipatorsenunciationsexpectationsofficialdomsovercautiousrapscallionsarticulatorybranchiopodsbronchoscopebronchoscopyemancipatoryemasculatoryhomochromouslaticiferousofficiationsparacetamolspolychromousvaticinatoryanticipatorsarticulatorsbrecciationscoarctationsdisaccustomsemasculatorsexsiccationsfelicitatorsfianchettoedflocculatorsovercautionsovercontrolsreaccessionsredecoratorsreluctationsundecillionsvaticinators

About this list

Words
42 (13 common words)
Common example
affectations
Rare example
vaticinators
Doubled letters
13
Ending in S
34
Most frequent letter
S (37)

Questions

How many 12-letter words matching ____c____o__ are there?

42. 13 of them are common words.

What is a common example?

AFFECTATIONS is among the common words in this set.