15-Letter Words Matching _____A_T_______

There are 33 15-letter words that match _____A_T_______. 7 are common words, such as DISHEARTENINGLY and HYPERACTIVITIES. A rarer one is UNDERACTIVITIES. In this set, I is the most frequent open letter (31 words). 5 words contain a doubled letter.

Full list 33

Common words

dishearteninglyhyperactivitiesprocrastinatingprocrastinationprocrastinatorsradioactivitiessubstantiationsabstractionismsabstractionistscontractibilitycontractilitiesdisheartenments
dishearteninglyhyperactivitiesprocrastinatingprocrastinationprocrastinatorsradioactivitiessubstantiationsabstractionismsabstractionistscontractibilitycontractilitiesdisheartenmentsmalpractitionermerchantabilityprocrastinatorychemoautotrophydiffractometersdiffractometricdistractibilityeverlastingnessheadmastershipsnonquantifiablenonquantitativephotoautotrophspostmastershipsradioautographsradioautographyretroactivitiessubstantialnesssubstantivenesssubstantivizingsuperactivitiesunderactivities

About this list

Words
33 (7 common words)
Common example
dishearteningly
Rare example
underactivities
Doubled letters
5
Ending in S
19
Most frequent letter
I (31)

Questions

How many 15-letter words matching _____a_t_______ are there?

33. 7 of them are common words.

What is a common example?

DISHEARTENINGLY is among the common words in this set.