10-Letter Words Matching __O_____G_

There are 20 10-letter words that match __O_____G_. 7 are common words, such as BOOMERANGS and DOODLEBUGS. A rarer one is REOPENINGS. 5 words contain a doubled letter.

Full list 20

boomerangsdoodlebugsexobiologyfootbridgegroundhogsgroundingspromptingsapophthegmbioecologydeontologyfloweringsglossologyglottologyodontologyploughingsproctologytroublingsbrokeringsflouncingsreopenings

About this list

Words
20 (7 common words)
Common example
boomerangs
Rare example
reopenings
Doubled letters
5
Ending in S
11

Questions

How many 10-letter words matching __o_____g_ are there?

20. 7 of them are common words.

What is a common example?

BOOMERANGS is among the common words in this set.