14-Letter Words Matching _____G____R___

There are 12 14-letter words that match _____G____R___. 4 are common words, such as GEOENGINEERING and NITROGLYCERINE. A rarer one is ULTRAGLAMOROUS. In this set, N is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 12

geoengineeringnitroglycerinenitroglycerinspreregisteringbioengineeringgreengroceriesmastigophoransroentgenogramsroentgenographmisregisteringnonengineeringultraglamorous

About this list

Words
12 (4 common words)
Common example
geoengineering
Rare example
ultraglamorous
Doubled letters
4
Ending in S
5
Most frequent letter
N (11)

Questions

How many 14-letter words matching _____g____r___ are there?

12. 4 of them are common words.

What is a common example?

GEOENGINEERING is among the common words in this set.