11-Letter Words Matching ____I_____A

There are 13 11-letter words that match ____I_____A. 2 are common words, such as CARCINOMATA and FASHIONISTA. A rarer one is XIPHISTERNA. In this set, A is the most frequent open letter (10 words). 4 words contain a doubled letter.

Full list 13

carcinomatafashionistaamphisbaenabibliomaniabibliothecabodhisattvagentianellaglobigerinamaquiladorachimichangafritillariasaltimboccaxiphisterna

About this list

Words
13 (2 common words)
Common example
carcinomata
Rare example
xiphisterna
Doubled letters
4
Ending in S
0
Most frequent letter
A (10)

Questions

How many 11-letter words matching ____i_____a are there?

13. 2 of them are common words.

What is a common example?

CARCINOMATA is among the common words in this set.