12-Letter Words Matching ____L___O___

There are 20 12-letter words that match ____L___O___. 6 are common words, such as BATTLEFRONTS and BATTLEGROUND. A rarer one is VEXILLOLOGIC. In this set, E is the most frequent open letter (15 words). 10 words contain a doubled letter.

Full list 20

battlefrontsbattlegroundcobblestonescomplexionalcomplexionednonalcoholicinvolutionalanaplasmosesanaplasmosiscobblestoneddichlorvoseseucalyptolesinhalationallamellicornspopulationalsaddleclothstoddlerhoodstrellisworksunillusionedvexillologic

About this list

Words
20 (6 common words)
Common example
battlefronts
Rare example
vexillologic
Doubled letters
10
Ending in S
10
Most frequent letter
E (15)

Questions

How many 12-letter words matching ____l___o___ are there?

20. 6 of them are common words.

What is a common example?

BATTLEFRONTS is among the common words in this set.