12-Letter Words Matching ___A__P_____

There are 17 12-letter words that match ___A__P_____. 4 are common words, such as BREASTPLATES and EUCALYPTUSES. A rarer one is ZYGAPOPHYSES. In this set, S is the most frequent open letter (16 words). 1 words contain a doubled letter.

Full list 17

breastplateseucalyptusesgreasepaintsparatyphoidskeratoplastyparalipomenazygapophysisceratopsianscycadophyteseucalyptolesgreaseproofsmelanophoresoctapeptidessomatopleuresteatopygiassteatopygouszygapophyses

About this list

Words
17 (4 common words)
Common example
breastplates
Rare example
zygapophyses
Doubled letters
1
Ending in S
14
Most frequent letter
S (16)

Questions

How many 12-letter words matching ___a__p_____ are there?

17. 4 of them are common words.

What is a common example?

BREASTPLATES is among the common words in this set.