12-Letter Words Matching ___D_____A__

There are 16 12-letter words that match ___D_____A__. 4 are common words, such as ACADEMICIANS and CONDITIONALS. A rarer one is WINDLESTRAWS. In this set, N is the most frequent open letter (15 words). 3 words contain a doubled letter.

Full list 16

academiciansconditionalsfundamentalspredesignatecardiomegalyconduplicatelandgraviatemisdemeanantpredestinatestuddingsailsubdiaconatetraditionaryhardinggrassquadrennialsrhodomontadewindlestraws

About this list

Words
16 (4 common words)
Common example
academicians
Rare example
windlestraws
Doubled letters
3
Ending in S
6
Most frequent letter
N (15)

Questions

How many 12-letter words matching ___d_____a__ are there?

16. 4 of them are common words.

What is a common example?

ACADEMICIANS is among the common words in this set.