12-Letter Words Matching ____A___O___

There are 28 12-letter words that match ____A___O___. 5 are common words, such as AVITAMINOSES and AVITAMINOSIS. A rarer one is VOLCANOLOGIC. 6 words contain a doubled letter.

Full list 28

Common words

avitaminosesavitaminosisonomatopoeiaonomatopoeicunchaperonedarchaeologiccabbagewormsclimatologiclollapaloosalollapaloozanewfashionedrefractional
avitaminosesavitaminosisonomatopoeiaonomatopoeicunchaperonedarchaeologiccabbagewormsclimatologiclollapaloosalollapaloozanewfashionedrefractionalavitaminoticcannabinoidscochairwomancochairwomencompatrioticcotransportsdermatologicglutathionesmiscaptionedmiscatalogedpassageworksprecautionedretransformsservanthoodstrypanosomesvolcanologic

About this list

Words
28 (5 common words)
Common example
avitaminoses
Rare example
volcanologic
Doubled letters
6
Ending in S
10

Questions

How many 12-letter words matching ____a___o___ are there?

28. 5 of them are common words.

What is a common example?

AVITAMINOSES is among the common words in this set.