13-Letter Words Matching _RG__________

There are 13 13-letter words that match _RG__________. 4 are common words, such as ARGUMENTATION and ARGUMENTATIVE. A rarer one is ORGANOGENETIC. In this set, A is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 13

argumentationargumentativeergonomicallyorganizationsargentiferousargilliferousorganogenesisorganotherapyorgiasticallyergastoplasmsorganisationsorganogenesesorganogenetic

About this list

Words
13 (4 common words)
Common example
argumentation
Rare example
organogenetic
Doubled letters
3
Ending in S
7
Most frequent letter
A (13)

Questions

How many 13-letter words matching _rg__________ are there?

13. 4 of them are common words.

What is a common example?

ARGUMENTATION is among the common words in this set.