15-Letter Words Matching ___A__T________

There are 12 15-letter words that match ___A__T________. 3 are common words, such as HUMANITARIANISM and RECAPITULATIONS. A rarer one is TOTALITARIANIZE. 2 words contain a doubled letter.

Full list 12

humanitarianismrecapitulationstotalitarianismlogarithmicallymetamathematicsparametrizationequalitarianismexhaustlessnessparasitizationsparasitologicalparasitologiststotalitarianize

About this list

Words
12 (3 common words)
Common example
humanitarianism
Rare example
totalitarianize
Doubled letters
2
Ending in S
5

Questions

How many 15-letter words matching ___a__t________ are there?

12. 3 of them are common words.

What is a common example?

HUMANITARIANISM is among the common words in this set.