15-Letter Words Matching ______H____A___

There are 20 15-letter words that match ______H____A___. 6 are common words, such as ATMOSPHERICALLY and INTERCHANGEABLE. A rarer one is SUPERPHOSPHATES. In this set, C is the most frequent open letter (18 words). 15 words contain a doubled letter.

Full list 20

atmosphericallyinterchangeableinterchangeablynonexchangeableparentheticallysympatheticallymelancholicallyphotochemicallysaprophyticallyastrophysicallybiomechanicallydisaccharidaseshistochemicallyionosphericallykinestheticallymicrophysicallyorthophosphatesphytochemicallyradiochemicallysuperphosphates

About this list

Words
20 (6 common words)
Common example
atmospherically
Rare example
superphosphates
Doubled letters
15
Ending in S
3
Most frequent letter
C (18)

Questions

How many 15-letter words matching ______h____a___ are there?

20. 6 of them are common words.

What is a common example?

ATMOSPHERICALLY is among the common words in this set.