12-Letter Words Matching ______O____A

There are 14 12-letter words that match ______O____A. 3 are common words, such as ENCYCLOPEDIA and HYPOCHONDRIA. A rarer one is TRAPEZOHEDRA. 3 words contain a doubled letter.

Full list 14

encyclopediahypochondriaonomatopoeiadecalcomaniamitochondriaprosopopoeiaballetomaniadysmenorrheagalactorrheagalactosemiaichthyofaunapancytopeniaperichondriatrapezohedra

About this list

Words
14 (3 common words)
Common example
encyclopedia
Rare example
trapezohedra
Doubled letters
3
Ending in S
0

Questions

How many 12-letter words matching ______o____a are there?

14. 3 of them are common words.

What is a common example?

ENCYCLOPEDIA is among the common words in this set.