13-Letter Words Matching ____A_H______

There are 14 13-letter words that match ____A_H______. 4 are common words, such as HERMAPHRODITE and OVERACHIEVERS. A rarer one is ULTRAPHYSICAL. In this set, I is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 14

hermaphroditeoverachieversoverachievingvibraphonistsnonpathogenicsulfathiazoletetrachloridedigraphicallyintrathecallyintrathoracicprocathedralssympathectomysympatholyticultraphysical

About this list

Words
14 (4 common words)
Common example
hermaphrodite
Rare example
ultraphysical
Doubled letters
2
Ending in S
3
Most frequent letter
I (12)

Questions

How many 13-letter words matching ____a_h______ are there?

14. 4 of them are common words.

What is a common example?

HERMAPHRODITE is among the common words in this set.