9-Letter Words Matching ____G_S__

There are 18 9-letter words that match ____G_S__. 5 are common words, such as ANALGESIA and ANALGESIC. A rarer one is SAVAGISMS. In this set, I is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 18

analgesiaanalgesicdruggistseulogiststeargaseseisegeseseisegesisalmagestsdirigismedirigisteenergisedenergiseseulogisedeulogisesoologistspriggismsredigestssavagisms

About this list

Words
18 (5 common words)
Common example
analgesia
Rare example
savagisms
Doubled letters
3
Ending in S
12
Most frequent letter
I (16)

Questions

How many 9-letter words matching ____g_s__ are there?

18. 5 of them are common words.

What is a common example?

ANALGESIA is among the common words in this set.