9-Letter Words Matching H_______A

There are 21 9-letter words that match H_______A. 4 are common words, such as HARMONICA and HONORARIA. A rarer one is HYPOXEMIA. In this set, I is the most frequent open letter (14 words). 1 words contain a doubled letter.

Full list 21

harmonicahonorariahydrangeahyperbolahaustoriahematuriahemialgiahoustoniahyperemiahyperopiahypodermahypomaniahaustellahemelytrahexahedrahibakushahybridomahypanthiahyperpneahypotoniahypoxemia

About this list

Words
21 (4 common words)
Common example
harmonica
Rare example
hypoxemia
Doubled letters
1
Ending in S
0
Most frequent letter
I (14)

Questions

How many 9-letter words matching h_______a are there?

21. 4 of them are common words.

What is a common example?

HARMONICA is among the common words in this set.