13-Letter Words Matching A________C___

There are 18 13-letter words that match A________C___. 6 are common words, such as ACCOUNTANCIES and ANTICLIMACTIC. A rarer one is ATTRACTANCIES. In this set, I is the most frequent open letter (18 words). 5 words contain a doubled letter.

Full list 18

accountanciesanticlimacticantiparticlesaristocraciesarithmeticianastringenciesachromaticityaffenpinscheragrochemicalsallergenicityantecedenciesantisepticizeautoeroticismagrichemicalsanticlericalsantidesiccantantipesticideattractancies

About this list

Words
18 (6 common words)
Common example
accountancies
Rare example
attractancies
Doubled letters
5
Ending in S
9
Most frequent letter
I (18)

Questions

How many 13-letter words matching a________c___ are there?

18. 6 of them are common words.

What is a common example?

ACCOUNTANCIES is among the common words in this set.