13-Letter Words Matching H________L___

There are 12 13-letter words that match H________L___. 2 are common words, such as HOMESCHOOLING and HOMOSEXUALITY. A rarer one is HYPERVIRULENT. In this set, I is the most frequent open letter (11 words). 5 words contain a doubled letter.

Full list 12

homeschoolinghomosexualityhelminthologyhemicelluloseheterothallichorizontalityheterocyclicshomeschoolershornswogglinghypermobilityhypervigilanthypervirulent

About this list

Words
12 (2 common words)
Common example
homeschooling
Rare example
hypervirulent
Doubled letters
5
Ending in S
2
Most frequent letter
I (11)

Questions

How many 13-letter words matching h________l___ are there?

12. 2 of them are common words.

What is a common example?

HOMESCHOOLING is among the common words in this set.