15-Letter Words Matching _A_T___________

There are 31 15-letter words that match _A_T___________. 14 are common words, such as BACTERIOLOGICAL and BACTERIOLOGISTS. A rarer one is RAPTUROUSNESSES. In this set, I is the most frequent open letter (27 words). 11 words contain a doubled letter.

Full list 31

Common words

bacteriologicalbacteriologistsbastardizationsdastardlinessesfaithlessnessesgastroenteritisgastronomicallyparthenogenesesparthenogenesisparticularitiesparticularizingpasteurizations
bacteriologicalbacteriologistsbastardizationsdastardlinessesfaithlessnessesgastroenteritisgastronomicallyparthenogenesesparthenogenesisparticularitiesparticularizingpasteurizationstastelessnessestatterdemalionsfantasticalnessgastrologicallylactovegetarianmastoidectomiespantheisticallyparthenogeneticbacteriophagiesfantasticationsmartensiticallymasterfulnessespantisocraticalpantisocratistsparthenocarpiesparticipationalparticularisingparticularisticrapturousnesses

About this list

Words
31 (14 common words)
Common example
bacteriological
Rare example
rapturousnesses
Doubled letters
11
Ending in S
19
Most frequent letter
I (27)

Questions

How many 15-letter words matching _a_t___________ are there?

31. 14 of them are common words.

What is a common example?

BACTERIOLOGICAL is among the common words in this set.