13-Letter Words Matching ________A__T_

There are 42 13-letter words that match ________A__T_. 11 are common words, such as ARTIFICIALITY and DISSIMILARITY. A rarer one is UNCONSTRAINTS. In this set, I is the most frequent open letter (41 words). 8 words contain a doubled letter.

Full list 42

Common words

artificialitydissimilarityfunctionalityhomosexualityimmaterialityindividualityirrationalityorthogonalityparticularitytheatricalityunfamiliaritycollaterality
artificialitydissimilarityfunctionalityhomosexualityimmaterialityindividualityirrationalityorthogonalityparticularitytheatricalityunfamiliaritycollateralityhorizontalityimpersonalityinhospitalitymicroparasitemonumentalityovoviviparityperipheralityprimordialityproverbialityprovincialityreciprocalityterephthalateunoriginalityunpunctualityvernacularityambisexualityantisexualitycolloquialitycommercialityconceptualityconnaturalityhyperparasitemicrotonalitymultimegawattmultipolarityparanormalityparasexualitysuperhumanitytriangularityunconstraints

About this list

Words
42 (11 common words)
Common example
artificiality
Rare example
unconstraints
Doubled letters
8
Ending in S
1
Most frequent letter
I (41)

Questions

How many 13-letter words matching ________a__t_ are there?

42. 11 of them are common words.

What is a common example?

ARTIFICIALITY is among the common words in this set.