7-Letter Words Matching _I____O

There are 20 7-letter words that match _I____O. 5 are common words, such as PICCOLO and PIMENTO. A rarer one is ZINGANO. 4 words contain a doubled letter.

Full list 20

piccolopimentorisottosiroccovibratodiabolohidalgonitrosoridottorilievoripienowindigozingarodinitroeightvopicachopintadopintanotimpanozingano

About this list

Words
20 (5 common words)
Common example
piccolo
Rare example
zingano
Doubled letters
4
Ending in S
0

Questions

How many 7-letter words matching _i____o are there?

20. 5 of them are common words.

What is a common example?

PICCOLO is among the common words in this set.