15-Letter Words Matching _I______O______

There are 13 15-letter words that match _I______O______. 3 are common words, such as BIOTECHNOLOGIES and DISPASSIONATELY. A rarer one is NINCOMPOOPERIES. 7 words contain a doubled letter.

Full list 13

biotechnologiesdispassionatelymischievousnessbiotechnologistnitrochloroformdiastereoisomerdichotomousnessdiffractometersdiffractometricfissiparousnessmicrobarographsmicroporositiesnincompooperies

About this list

Words
13 (3 common words)
Common example
biotechnologies
Rare example
nincompooperies
Doubled letters
7
Ending in S
8

Questions

How many 15-letter words matching _i______o______ are there?

13. 3 of them are common words.

What is a common example?

BIOTECHNOLOGIES is among the common words in this set.