11-Letter Words Matching A_D________

There are 18 11-letter words that match A_D________. 12 are common words, such as ABDICATIONS and ANDROGYNIES. A rarer one is ANDALUSITES. In this set, O is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 18

abdicationsandrogyniesandrogynousarduousnessaudaciouslyaudiologiesaudiologistaudiometersaudiophilesaudiovisualauditioningauditoriumsaddressableabdominallyaldosteroneandrosphinxaudiometricandalusites

About this list

Words
18 (12 common words)
Common example
abdications
Rare example
andalusites
Doubled letters
3
Ending in S
9
Most frequent letter
O (16)

Questions

How many 11-letter words matching a_d________ are there?

18. 12 of them are common words.

What is a common example?

ABDICATIONS is among the common words in this set.