14-Letter Words Matching _____A_D______

There are 23 14-letter words that match _____A_D______. 4 are common words, such as BACKWARDNESSES and HIGHHANDEDNESS. A rarer one is UNTOWARDNESSES. In this set, E is the most frequent open letter (22 words). 14 words contain a doubled letter.

Full list 23

backwardnesseshighhandednessmerchandisingsopenhandednessbackhandednessendocarditisesevenhandednessfreehandednesspericarditidessluggardlinessbutyraldehydesclairaudiencesclairaudientlycycloadditionsdownwardnessesechocardiogramforehandednesshardhandednessmerchandizingsnonclandestinesluggardnessessuperadditionsuntowardnesses

About this list

Words
23 (4 common words)
Common example
backwardnesses
Rare example
untowardnesses
Doubled letters
14
Ending in S
20
Most frequent letter
E (22)

Questions

How many 14-letter words matching _____a_d______ are there?

23. 4 of them are common words.

What is a common example?

BACKWARDNESSES is among the common words in this set.