9-Letter Words Matching ____H___A

There are 23 9-letter words that match ____H___A. 5 are common words, such as DELPHINIA and EPITHELIA. A rarer one is NEOPHILIA. In this set, I is the most frequent open letter (19 words). 2 words contain a doubled letter.

Full list 23

delphiniaepitheliamarihuanaperiheliapolyhedraapotheciadecahedradysphagiadysphasiadysphemiadysphoniadysphoriadysthymiaoctahedraomophagiaporphyriarancheriasymphoniazoophobiaglochidiahexahedraneophiliazoophilia

About this list

Words
23 (5 common words)
Common example
delphinia
Rare example
neophilia
Doubled letters
2
Ending in S
0
Most frequent letter
I (19)

Questions

How many 9-letter words matching ____h___a are there?

23. 5 of them are common words.

What is a common example?

DELPHINIA is among the common words in this set.