13-Letter Words Matching ___R____G____

There are 23 13-letter words that match ___R____G____. 5 are common words, such as EMBRYOLOGISTS and INTRANSIGENCE. A rarer one is STEROIDOGENIC. In this set, I is the most frequent open letter (20 words). 1 words contain a doubled letter.

Full list 23

embryologistsintransigenceintransigentsneurosurgeonsthoroughgoinganeroidographembryologicalintransigencymicrosurgicalneurosurgicalpharmacognosyintransigeantmicrofungusesmicroprogramsoverdesigningoverenergeticoverslaughingsparkpluggingspermatogenicspermatogoniastereologicalstereoregularsteroidogenic

About this list

Words
23 (5 common words)
Common example
embryologists
Rare example
steroidogenic
Doubled letters
1
Ending in S
5
Most frequent letter
I (20)

Questions

How many 13-letter words matching ___r____g____ are there?

23. 5 of them are common words.

What is a common example?

EMBRYOLOGISTS is among the common words in this set.