12-Letter Words Matching O__A________

There are 23 12-letter words that match O__A________. 6 are common words, such as OCCASIONALLY and OCEANOGRAPHY. A rarer one is OUTACHIEVING. In this set, N is the most frequent open letter (18 words). 7 words contain a doubled letter.

Full list 23

occasionallyoceanographyoceanologiesorganizationornatenessesoxyacetyleneoblatenessesorganographyorgasmicallyorgasticallyornamentallyoblanceolateoceanologistoctahedrallyoctapeptidesoleaginouslyoleandomycinolfactometerorganicitiesorganisationorganolepticorganologiesoutachieving

About this list

Words
23 (6 common words)
Common example
occasionally
Rare example
outachieving
Doubled letters
7
Ending in S
6
Most frequent letter
N (18)

Questions

How many 12-letter words matching o__a________ are there?

23. 6 of them are common words.

What is a common example?

OCCASIONALLY is among the common words in this set.