10-Letter Words Matching ______H__A

There are 12 10-letter words that match ______H__A. 3 are common words, such as ARRHYTHMIA and GONORRHOEA. A rarer one is PARENCHYMA. In this set, R is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 12

arrhythmiagonorrhoeaseborrhoeacoleorhizadrosophiladysarthriaepanaphoragypsophilamycorrhizasuperphylaaerenchymaparenchyma

About this list

Words
12 (3 common words)
Common example
arrhythmia
Rare example
parenchyma
Doubled letters
4
Ending in S
0
Most frequent letter
R (11)

Questions

How many 10-letter words matching ______h__a are there?

12. 3 of them are common words.

What is a common example?

ARRHYTHMIA is among the common words in this set.