12-Letter Words Matching ______A____A

There are 14 12-letter words that match ______A____A. 2 are common words, such as EXTRAVAGANZA and SARSAPARILLA. A rarer one is PREECLAMPSIA. In this set, S is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 14

extravaganzasarsaparilladeuteranopialollapaloosalollapaloozaosteomalaciaphosphaturiasesquialterafibrosarcomaglioblastomamycoplasmataosteosarcomapiroplasmatapreeclampsia

About this list

Words
14 (2 common words)
Common example
extravaganza
Rare example
preeclampsia
Doubled letters
4
Ending in S
0
Most frequent letter
S (11)

Questions

How many 12-letter words matching ______a____a are there?

14. 2 of them are common words.

What is a common example?

EXTRAVAGANZA is among the common words in this set.