15-Letter Words Matching O____O_________

There are 31 15-letter words that match O____O_________. 5 are common words, such as OUTSPOKENNESSES and OVERCOMPENSATED. A rarer one is OVERHOMOGENIZES. In this set, E is the most frequent open letter (30 words). 10 words contain a doubled letter.

Full list 31

Common words

outspokennessesovercompensatedovercompensatesoverconfidencesoverpopulationsoceanographicalorganophosphateovercommitmentsovercompetetiveovercomplacencyovercomplicatedoverconsiderate
outspokennessesovercompensatedovercompensatesoverconfidencesoverpopulationsoceanographicalorganophosphateovercommitmentsovercompetetiveovercomplacencyovercomplicatedoverconsiderateomnicompetencesopenmouthednessopinionatednessorganochlorinesorganomercurialorganometallicsoutdoorsmanshipovercommunicateovercompliancesovercomplicatesovercompressingoverconfidentlyoverconstructedoverconsumptionovercontrollingovercorrectionsoverdocumentingoverhomogenizedoverhomogenizes

About this list

Words
31 (5 common words)
Common example
outspokennesses
Rare example
overhomogenizes
Doubled letters
10
Ending in S
14
Most frequent letter
E (30)

Questions

How many 15-letter words matching o____o_________ are there?

31. 5 of them are common words.

What is a common example?

OUTSPOKENNESSES is among the common words in this set.