9-Letter Words Matching __A_____A

There are 25 9-letter words that match __A_____A. 5 are common words, such as ANALGESIA and DIARRHOEA. A rarer one is PRAESIDIA. In this set, I is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 25

Common words

analgesiadiarrhoeagravaminainamorataquadriviaanarthriaaraucariaasafetidaclaytoniaexanthemaframbesiagrandpapa
analgesiadiarrhoeagravaminainamorataquadriviaanarthriaaraucariaasafetidaclaytoniaexanthemaframbesiagrandpapagranulomaguanabanapsalteriascagliolatrabeculatrattoriaanaplasiaayahuascacuadrillaguayaberaphantasmaplasmodiapraesidia

About this list

Words
25 (5 common words)
Common example
analgesia
Rare example
praesidia
Doubled letters
3
Ending in S
0
Most frequent letter
I (17)

Questions

How many 9-letter words matching __a_____a are there?

25. 5 of them are common words.

What is a common example?

ANALGESIA is among the common words in this set.