15-Letter Words Matching _A___________T_

There are 18 15-letter words that match _A___________T_. 8 are common words, such as BACTERIOLOGISTS and CARCINOGENICITY. A rarer one is SACRAMENTALISTS. In this set, I is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 18

bacteriologistscarcinogenicityharpsichordistsmaintainabilitymaneuverabilitymarriageabilitypaleontologistsradiotherapistslabyrinthodontsmalnourishmentspaleobiologistspaleoecologistspaleomagnetistspaleozoologistspantisocratistsparasitologistsradiobiologistssacramentalists

About this list

Words
18 (8 common words)
Common example
bacteriologists
Rare example
sacramentalists
Doubled letters
2
Ending in S
14
Most frequent letter
I (18)

Questions

How many 15-letter words matching _a___________t_ are there?

18. 8 of them are common words.

What is a common example?

BACTERIOLOGISTS is among the common words in this set.