12-Letter Words Matching I______O____

There are 30 12-letter words that match I______O____. 12 are common words, such as IMMUNOLOGIES and IMMUNOLOGIST. A rarer one is INVITATORIES. 8 words contain a doubled letter.

Full list 30

Common words

immunologiesimmunologistimperviouslyincestuouslyindecorouslyinfectiouslyinflationaryingloriouslyiniquitouslyinspectorateisolationismisolationist
immunologiesimmunologistimperviouslyincestuouslyindecorouslyinfectiouslyinflationaryingloriouslyiniquitouslyinspectorateisolationismisolationistidolatrouslyimmersionismincautiouslyindigenouslyinflationisminflationistintuitionismintuitionistisometropiasimpassioningimperatorialintercoolersintercroppedintercrossedintercrossesintergrowthsinterwroughtinvitatories

About this list

Words
30 (12 common words)
Common example
immunologies
Rare example
invitatories
Doubled letters
8
Ending in S
6

Questions

How many 12-letter words matching i______o____ are there?

30. 12 of them are common words.

What is a common example?

IMMUNOLOGIES is among the common words in this set.