12-Letter Words Matching I_____N_____

There are 50 12-letter words that match I_____N_____. 20 are common words, such as IDIOSYNCRASY and ILLUMINATING. A rarer one is ITALIANIZING. In this set, N is the most frequent open letter (42 words). 21 words contain a doubled letter.

Full list 50

Common words

idiosyncrasyilluminatingilluminationimpishnessesimpregnatingimpregnationinattentionsincidentallyindefensibleindefensiblyindefinitelyindependence
idiosyncrasyilluminatingilluminationimpishnessesimpregnatingimpregnationinattentionsincidentallyindefensibleindefensiblyindefinitelyindependenceindependentsinessentialsinhumanitiesinnatenessesinordinatelyinseminatinginseminationintentnessesilluminancesilluminativeimpurenessesindependencyindigenouslyinexpungibleinextensibleingeminatingintactnessesinvaginatinginvaginationinwardnessesirredentismsirredentistsignorantnessilluminatorsimmanentismsimmanentistsimpregnatorsindefinablesindigenizinginfluentialsinsanenessesinseminatorsinterinvolveinterknittedisoprenalineitalianatingitalianisingitalianizing

About this list

Words
50 (20 common words)
Common example
idiosyncrasy
Rare example
italianizing
Doubled letters
21
Ending in S
22
Most frequent letter
N (42)

Questions

How many 12-letter words matching i_____n_____ are there?

50. 20 of them are common words.

What is a common example?

IDIOSYNCRASY is among the common words in this set.