14-Letter Words Matching ____I_______L_

There are 20 14-letter words that match ____I_______L_. 9 are common words, such as CONFIDENTIALLY and LONGITUDINALLY. A rarer one is UNCHIVALROUSLY. In this set, A is the most frequent open letter (20 words). 10 words contain a doubled letter.

Full list 20

confidentiallylongitudinallymultifariouslymultilaterallymultinationalsparsimoniouslypertinaciouslyprovidentiallysacrilegiouslymagniloquentlytragicomicallyunmaintainabledisciplinarilydorsiventrallymultilinguallynonfissionableopinionativelypestilentiallypresidentiallyunchivalrously

About this list

Words
20 (9 common words)
Common example
confidentially
Rare example
unchivalrously
Doubled letters
10
Ending in S
1
Most frequent letter
A (20)

Questions

How many 14-letter words matching ____i_______l_ are there?

20. 9 of them are common words.

What is a common example?

CONFIDENTIALLY is among the common words in this set.