13-Letter Words Matching ______HY_____

There are 15 13-letter words that match ______HY_____. 3 are common words, such as ASTROPHYSICAL and HYPERTHYROIDS. A rarer one is ULTRAPHYSICAL. In this set, L is the most frequent open letter (14 words). 5 words contain a doubled letter.

Full list 15

astrophysicalhyperthyroidspolyethylenesachlorhydriashyperphysicalleptophyllousstenophylloussuperphysicaltachyphylaxisaminophyllineanthophyllitechlorohydrinsmicrophyllousmicrophysicalultraphysical

About this list

Words
15 (3 common words)
Common example
astrophysical
Rare example
ultraphysical
Doubled letters
5
Ending in S
8
Most frequent letter
L (14)

Questions

How many 13-letter words matching ______hy_____ are there?

15. 3 of them are common words.

What is a common example?

ASTROPHYSICAL is among the common words in this set.