12-Letter Words Matching ___T____G___

There are 20 12-letter words that match ___T____G___. 7 are common words, such as CENTRIFUGING and JITTERBUGGED. A rarer one is YESTERNIGHTS. In this set, I is the most frequent open letter (16 words). 9 words contain a doubled letter.

Full list 20

centrifugingjitterbuggedjitterbuggermultilingualpettifoggerspettifoggerypettifoggingbattlewagonscentrifugatedentilingualfootslogginggastrologistphytophagouscentimorganscentrifugalsfestivalgoerfootdraggersfootsloggerstrothplightsyesternights

About this list

Words
20 (7 common words)
Common example
centrifuging
Rare example
yesternights
Doubled letters
9
Ending in S
9
Most frequent letter
I (16)

Questions

How many 12-letter words matching ___t____g___ are there?

20. 7 of them are common words.

What is a common example?

CENTRIFUGING is among the common words in this set.