14-Letter Words Matching _N__G_________

There are 16 14-letter words that match _N__G_________. 4 are common words, such as ANTIGENICITIES and ENLIGHTENMENTS. A rarer one is UNREGENERATELY. In this set, I is the most frequent open letter (14 words). 5 words contain a doubled letter.

Full list 16

antigenicitiesenlightenmentsinsignificanceinvigoratinglyantigovernmentindigenousnessinsightfulnessinsignificancyintegrationistantiguerrillasindigenizationoncogenicitiessnaggletoothedundogmaticallyuningratiatingunregenerately

About this list

Words
16 (4 common words)
Common example
antigenicities
Rare example
unregenerately
Doubled letters
5
Ending in S
6
Most frequent letter
I (14)

Questions

How many 14-letter words matching _n__g_________ are there?

16. 4 of them are common words.

What is a common example?

ANTIGENICITIES is among the common words in this set.