10-Letter Words Matching O________L

There are 13 10-letter words that match O________L. 6 are common words, such as OCCASIONAL and OCCIDENTAL. A rarer one is OVERBRUTAL. In this set, A is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 13

occasionaloccidentaloratoricalorchestralornamentalorthogonaloblationaloctahedraloutgeneralovermantelommatidialorganismaloverbrutal

About this list

Words
13 (6 common words)
Common example
occasional
Rare example
overbrutal
Doubled letters
3
Ending in S
0
Most frequent letter
A (13)

Questions

How many 10-letter words matching o________l are there?

13. 6 of them are common words.

What is a common example?

OCCASIONAL is among the common words in this set.