11-Letter Words Matching O_________L

There are 13 11-letter words that match O_________L. 5 are common words, such as OBSESSIONAL and OBSTETRICAL. A rarer one is OVERLITERAL. In this set, A is the most frequent open letter (11 words). 2 words contain a doubled letter.

Full list 13

obsessionalobstetricalontologicaloperationalovercarefuloncologicalorthonormaloverliberaloecumenicaloverarousalovercontroloverfulfilloverliteral

About this list

Words
13 (5 common words)
Common example
obsessional
Rare example
overliteral
Doubled letters
2
Ending in S
0
Most frequent letter
A (11)

Questions

How many 11-letter words matching o_________l are there?

13. 5 of them are common words.

What is a common example?

OBSESSIONAL is among the common words in this set.