9-Letter Words Ending in IOS

There are 12 9-letter words that end in IOS. 6 are common words, such as ARPEGGIOS and FELLATIOS. A rarer one is PRESIDIOS. In this set, A is the most frequent open letter (8 words). 4 words contain a doubled letter.

Full list 12

arpeggiosfellatiosintagliosoratoriosscenariosseragliosbocaccioscurculiosfinochioslibeccioslothariospresidios

About this list

Words
12 (6 common words)
Common example
arpeggios
Rare example
presidios
Doubled letters
4
Ending in S
12
Most frequent letter
A (8)

Questions

How many 9-letter words ending in ios are there?

12. 6 of them are common words.

What is a common example?

ARPEGGIOS is among the common words in this set.