13-Letter Words Matching _A_________A_

There are 36 13-letter words that match _A_________A_. 9 are common words, such as GASTRONOMICAL and LACKADAISICAL. A rarer one is VALPOLICELLAS. In this set, I is the most frequent open letter (32 words). 8 words contain a doubled letter.

Full list 36

Common words

gastronomicallackadaisicalmathematicianpaediatricianparallelogramparentheticalpaterfamiliassarsaparillasvaledictoriancardiologicalgastrologicalmachiavellian
gastronomicallackadaisicalmathematicianpaediatricianparallelogramparentheticalpaterfamiliassarsaparillasvaledictoriancardiologicalgastrologicalmachiavellianmacroscopicalmalacostracanmastigophoranmaterfamiliaspantheisticalradiochemicalradiotelegramballetomaniasbathymetricalcacographicalcalculationalcallithumpiangalactorrheasgalactosemiashandcraftsmanmagistraticalmalacologicalmaxillofacialpalynologicalpancytopeniasparaesthesiasparasiticidalrarefactionalvalpolicellas

About this list

Words
36 (9 common words)
Common example
gastronomical
Rare example
valpolicellas
Doubled letters
8
Ending in S
9
Most frequent letter
I (32)

Questions

How many 13-letter words matching _a_________a_ are there?

36. 9 of them are common words.

What is a common example?

GASTRONOMICAL is among the common words in this set.