14-Letter Words Matching ____A________T

There are 17 14-letter words that match ____A________T. 6 are common words, such as AGGRANDIZEMENT and AROMATHERAPIST. A rarer one is ULTRAEFFICIENT. In this set, N is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 17

aggrandizementaromatherapistfundamentalistnonparticipantphilanthropistsensationalisteducationalistpostadolescentpronationalistsacramentalistultramodernistultramontanistoperationalistoveradjustmentoverassessmentultracompetentultraefficient

About this list

Words
17 (6 common words)
Common example
aggrandizement
Rare example
ultraefficient
Doubled letters
3
Ending in S
0
Most frequent letter
N (16)

Questions

How many 14-letter words matching ____a________t are there?

17. 6 of them are common words.

What is a common example?

AGGRANDIZEMENT is among the common words in this set.