15-Letter Words Matching ____N____I_____

There are 18 15-letter words that match ____N____I_____. 7 are common words, such as CHRONOLOGICALLY and HUMANITARIANISM. A rarer one is STRONGYLOIDOSIS. 9 words contain a doubled letter.

Full list 18

chronologicallyhumanitarianismimmunodeficientinfinitesimallynoninflationaryparentheticallytechnologicallydimenhydrinatesimmunologicallymelancholicallyphrenologicallycolonizationistdisinflationarynoninsecticidalpalynologicallypreinterviewingstrongyloidosesstrongyloidosis

About this list

Words
18 (7 common words)
Common example
chronologically
Rare example
strongyloidosis
Doubled letters
9
Ending in S
3

Questions

How many 15-letter words matching ____n____i_____ are there?

18. 7 of them are common words.

What is a common example?

CHRONOLOGICALLY is among the common words in this set.