15-Letter Words Matching I__________A___

There are 27 15-letter words that match I__________A___. 6 are common words, such as INFINITESIMALLY and INSTITUTIONALLY. A rarer one is IONOSPHERICALLY. In this set, N is the most frequent open letter (26 words). 20 words contain a doubled letter.

Full list 27

Common words

infinitesimallyinstitutionallyinsubstantiallyinterchangeableinterchangeablyinternationallyimmunologicallyincommensurableinquisitoriallyinspirationallyinterpenetratedinterpenetrates
infinitesimallyinstitutionallyinsubstantiallyinterchangeableinterchangeablyinternationallyimmunologicallyincommensurableinquisitoriallyinspirationallyinterpenetratedinterpenetratesinterpersonallyintramuscularlyideographicallyimmunoassayableimmunomodulatorincommensurablyindisciplinableinformationallyintercorrelatedintercorrelatesinterculturallyintracellularlyintracerebrallyintravascularlyionospherically

About this list

Words
27 (6 common words)
Common example
infinitesimally
Rare example
ionospherically
Doubled letters
20
Ending in S
2
Most frequent letter
N (26)

Questions

How many 15-letter words matching i__________a___ are there?

27. 6 of them are common words.

What is a common example?

INFINITESIMALLY is among the common words in this set.