14-Letter Words Matching ____A______C__

There are 21 14-letter words that match ____A______C__. 6 are common words, such as ALPHANUMERICAL and ARCHAEOLOGICAL. A rarer one is VOLCANOLOGICAL. 1 words contain a doubled letter.

Full list 21

alphanumericalarchaeologicalconvalescencesdermatologicalintransigencesoverabundancescampanologicalclimatologicaleschatologicalextracanonicalnoncategoricalpropaedeuticalthanatologicalvulcanologicalnarratologicaloveranalyticalprimatologicalultradistancesultrapracticalultraviolencesvolcanological

About this list

Words
21 (6 common words)
Common example
alphanumerical
Rare example
volcanological
Doubled letters
1
Ending in S
5

Questions

How many 14-letter words matching ____a______c__ are there?

21. 6 of them are common words.

What is a common example?

ALPHANUMERICAL is among the common words in this set.