12-Letter Words Matching ______O_O___

There are 40 12-letter words that match ______O_O___. 8 are common words, such as METEOROLOGIC and MULTICOLORED. A rarer one is VOLCANOLOGIC. In this set, T is the most frequent open letter (33 words). 3 words contain a doubled letter.

Full list 40

Common words

meteorologicmulticolorednonalcoholiconomatopoeiaonomatopoeicosteoporosesosteoporosisstreptococciantherozoidsarchaeologicclimatologiccyprinodonts
meteorologicmulticolorednonalcoholiconomatopoeiaonomatopoeicosteoporosesosteoporosisstreptococciantherozoidsarchaeologicclimatologiccyprinodontselectromotorelectrotonusenantiomorphgerontologicherpetologichyperboloidsichthyologicornithologicosteoporoticparticoloredprosopopoeiaschistosomesantieconomicdermatologicelectroformselectrotonicinterboroughmeningococcioverpromotedoverpromotesschistosomalsynaptosomalsynaptosomestetrodotoxintrypanosomesunorthodoxlyvexillologicvolcanologic

About this list

Words
40 (8 common words)
Common example
meteorologic
Rare example
volcanologic
Doubled letters
3
Ending in S
11
Most frequent letter
T (33)

Questions

How many 12-letter words matching ______o_o___ are there?

40. 8 of them are common words.

What is a common example?

METEOROLOGIC is among the common words in this set.