12-Letter Words Matching ____H____N__

There are 27 12-letter words that match ____H____N__. 10 are common words, such as CASEHARDENED and CLOTHESLINES. A rarer one is SPAGHETTINIS. In this set, I is the most frequent open letter (26 words). 5 words contain a doubled letter.

Full list 27

Common words

casehardenedclotheslinesforthcomingsheadhuntingslandholdingsmatchmakingsphilharmonicsoothsayingswatchmakingswithholdingsarithmomancycornhuskings
casehardenedclotheslinesforthcomingsheadhuntingslandholdingsmatchmakingsphilharmonicsoothsayingswatchmakingswithholdingsarithmomancycornhuskingslatchstringsphilhellenestrochelminthantiheroinesantihuntingsclotheslinedearthmovingserythrosineshandholdingsindehiscencenonthinkingsoverhuntingsphilhellenicroadholdingsspaghettinis

About this list

Words
27 (10 common words)
Common example
casehardened
Rare example
spaghettinis
Doubled letters
5
Ending in S
20
Most frequent letter
I (26)

Questions

How many 12-letter words matching ____h____n__ are there?

27. 10 of them are common words.

What is a common example?

CASEHARDENED is among the common words in this set.