12-Letter Words Matching ___I___D____

There are 13 12-letter words that match ___I___D____. 3 are common words, such as ANTIOXIDANTS and DEMIMONDAINE. A rarer one is UNBIASEDNESS. 5 words contain a doubled letter.

Full list 13

antioxidantsdemimondainepericardiumsambitendencyclairaudientmanifoldnesspericarditisantiacademicantidandruffantipredatordividendlessresignednessunbiasedness

About this list

Words
13 (3 common words)
Common example
antioxidants
Rare example
unbiasedness
Doubled letters
5
Ending in S
7

Questions

How many 12-letter words matching ___i___d____ are there?

13. 3 of them are common words.

What is a common example?

ANTIOXIDANTS is among the common words in this set.