11-Letter Words Matching ______O___A

There are 12 11-letter words that match ______O___A. 3 are common words, such as CARCINOMATA and ELECTRONICA. A rarer one is SPANOKOPITA. In this set, N is the most frequent open letter (9 words). 3 words contain a doubled letter.

Full list 12

carcinomataelectronicaorthodontiachaulmoograhemianopsiaidioglossiaprolegomenacondylomatagranulomatapapillomataspanakopitaspanokopita

About this list

Words
12 (3 common words)
Common example
carcinomata
Rare example
spanokopita
Doubled letters
3
Ending in S
0
Most frequent letter
N (9)

Questions

How many 11-letter words matching ______o___a are there?

12. 3 of them are common words.

What is a common example?

CARCINOMATA is among the common words in this set.