13-Letter Words Matching O__I_________

There are 24 13-letter words that match O__I_________. 12 are common words, such as OBLIQUENESSES and OBLITERATIONS. A rarer one is OUTINTRIGUING. In this set, S is the most frequent open letter (21 words). 13 words contain a doubled letter.

Full list 24

obliquenessesobliterationsobliviousnessobviousnessesofficeholdersofficiousnessomnipresencesoptimizationsornithologiesornithologistoscilloscopesossificationsomnicompetentorgiasticallyornithischianoscillographsoscilloscopicoccidentalizeoneiromanciesoptimisationsoptionalitiesoscillationaloscillographyoutintriguing

About this list

Words
24 (12 common words)
Common example
obliquenesses
Rare example
outintriguing
Doubled letters
13
Ending in S
15
Most frequent letter
S (21)

Questions

How many 13-letter words matching o__i_________ are there?

24. 12 of them are common words.

What is a common example?

OBLIQUENESSES is among the common words in this set.