15-Letter Words Matching _H________C____

There are 23 15-letter words that match _H________C____. 5 are common words, such as CHRONOLOGICALLY and PHILOSOPHICALLY. A rarer one is PHYTOCHEMICALLY. In this set, I is the most frequent open letter (21 words). 16 words contain a doubled letter.

Full list 23

chronologicallyphilosophicallyphosphorescencephysiologicallytherapeuticallycharismaticallycholecystectomyphotochemicallyphotoconductionphotometricallyphrenologicallychemotacticallychincherincheescholinergicallyphonogramicallyphotoconductivephotodissociatephotoduplicatedphotoduplicatesphotoproductionphototacticallyphototropicallyphytochemically

About this list

Words
23 (5 common words)
Common example
chronologically
Rare example
phytochemically
Doubled letters
16
Ending in S
2
Most frequent letter
I (21)

Questions

How many 15-letter words matching _h________c____ are there?

23. 5 of them are common words.

What is a common example?

CHRONOLOGICALLY is among the common words in this set.