13-Letter Words Matching _________A_H_

There are 16 13-letter words that match _________A_H_. 2 are common words, such as AUTOBIOGRAPHY and REPHOTOGRAPHS. A rarer one is SUBPARAGRAPHS. 4 words contain a doubled letter.

Full list 16

autobiographyrephotographsanthropopathydactylographyelectrographsherniorrhaphymetallographyoscillographsspectrographsspectrographyarteriographymagnetographsoscillographyprosopographysphygmographssubparagraphs

About this list

Words
16 (2 common words)
Common example
autobiography
Rare example
subparagraphs
Doubled letters
4
Ending in S
7

Questions

How many 13-letter words matching _________a_h_ are there?

16. 2 of them are common words.

What is a common example?

AUTOBIOGRAPHY is among the common words in this set.