14-Letter Words Matching ____G_____N___

There are 15 14-letter words that match ____G_____N___. 3 are common words, such as CHANGEABLENESS and INVIGORATINGLY. A rarer one is SPRIGHTFULNESS. 13 words contain a doubled letter.

Full list 15

changeablenessinvigoratinglythoughtfulnesshemagglutinateindigenousnessinsightfulnessintegrationistmanageablenesssluggardlinesschangelessnessdelightfulnesshemagglutininsisoagglutininsoleaginousnesssprightfulness

About this list

Words
15 (3 common words)
Common example
changeableness
Rare example
sprightfulness
Doubled letters
13
Ending in S
12

Questions

How many 14-letter words matching ____g_____n___ are there?

15. 3 of them are common words.

What is a common example?

CHANGEABLENESS is among the common words in this set.