12-Letter Words Matching A_______H___

There are 19 12-letter words that match A_______H___. 2 are common words, such as APOSTLESHIPS and AUTOGRAPHING. A rarer one is AUXOTROPHIES. In this set, T is the most frequent open letter (18 words). 3 words contain a doubled letter.

Full list 19

apostleshipsautographingacetaldehydeallomorphismanacoluthiasanacoluthonsapostrophizeapparatchikiapparatchiksathwartshipsautomorphismairfreightedantilynchingantipoachingapostrophiseartisanshipsautographiesautotrophiesauxotrophies

About this list

Words
19 (2 common words)
Common example
apostleships
Rare example
auxotrophies
Doubled letters
3
Ending in S
9
Most frequent letter
T (18)

Questions

How many 12-letter words matching a_______h___ are there?

19. 2 of them are common words.

What is a common example?

APOSTLESHIPS is among the common words in this set.