14-Letter Words Matching __A________C__

There are 12 14-letter words that match __A________C__. 5 are common words, such as PHARMACEUTICAL and STAPHYLOCOCCAL. A rarer one is PLANETOLOGICAL. In this set, T is the most frequent open letter (11 words). 6 words contain a doubled letter.

Full list 12

pharmaceuticalstaphylococcalstaphylococcustranscendencestransmittancesanagrammaticaldiagrammaticalstaphylococcicthanatologicalthaumaturgicalclairaudiencesplanetological

About this list

Words
12 (5 common words)
Common example
pharmaceutical
Rare example
planetological
Doubled letters
6
Ending in S
4
Most frequent letter
T (11)

Questions

How many 14-letter words matching __a________c__ are there?

12. 5 of them are common words.

What is a common example?

PHARMACEUTICAL is among the common words in this set.