15-Letter Words Matching ___HI__________

There are 14 15-letter words that match ___HI__________. 4 are common words, such as ARCHITECTURALLY and PREHISTORICALLY. A rarer one is MACHINABILITIES. 4 words contain a doubled letter.

Full list 14

architecturallyprehistoricallyprohibitionistssophisticationsarchiepiscopacyarchiepiscopatefashionablenessnonhierarchicalprohibitivenesssophisticatedlyamphidiploidiesamphitheatricaldithiocarbamatemachinabilities

About this list

Words
14 (4 common words)
Common example
architecturally
Rare example
machinabilities
Doubled letters
4
Ending in S
6

Questions

How many 15-letter words matching ___hi__________ are there?

14. 4 of them are common words.

What is a common example?

ARCHITECTURALLY is among the common words in this set.