15-Letter Words Matching ______C____T___

There are 20 15-letter words that match ______C____T___. 3 are common words, such as ARTIFICIALITIES and HYPERACTIVITIES. A rarer one is UNDERACTIVITIES. 7 words contain a doubled letter.

Full list 20

artificialitieshyperactivitiesradioactivitiescontractilitieshierarchizationsimplicidentatecollenchymatouscommercialitiesdestructivitiesdiffractometersdiffractometricimmunocompetentoverdocumentingpostvaccinationprecancellationprovincialitiesretroactivitiessemidocumentarysuperactivitiesunderactivities

About this list

Words
20 (3 common words)
Common example
artificialities
Rare example
underactivities
Doubled letters
7
Ending in S
12

Questions

How many 15-letter words matching ______c____t___ are there?

20. 3 of them are common words.

What is a common example?

ARTIFICIALITIES is among the common words in this set.