15-Letter Words Matching ___I___A_______

There are 20 15-letter words that match ___I___A_______. 3 are common words, such as EQUIVOCALNESSES and NONINFLAMMATORY. A rarer one is UNMITIGATEDNESS. 8 words contain a doubled letter.

Full list 20

equivocalnessesnoninflammatorynoninflationaryassimilationistantilogarithmicantimanagementsantimetabolitesantimonarchicalantimonarchistsantiromanticismantiseparatistsassimilationismdisinflationaryfutilitarianismilliberalnessesillimitablenessmagistraticallypreimplantationsemilogarithmicunmitigatedness

About this list

Words
20 (3 common words)
Common example
equivocalnesses
Rare example
unmitigatedness
Doubled letters
8
Ending in S
8

Questions

How many 15-letter words matching ___i___a_______ are there?

20. 3 of them are common words.

What is a common example?

EQUIVOCALNESSES is among the common words in this set.