15-Letter Words Matching _____P_______L_

There are 21 15-letter words that match _____P_______L_. 5 are common words, such as ATMOSPHERICALLY and DISAPPOINTINGLY. A rarer one is SUBREPTITIOUSLY. In this set, I is the most frequent open letter (20 words). 15 words contain a doubled letter.

Full list 21

atmosphericallydisappointinglysurreptitiouslytherapeuticallyuncomplaininglyhomeopathicallyinterpersonallyosteopathicallypostoperativelysaprophyticallyuncompromisableuncooperativelyastrophysicallyionosphericallymegasporophyllsmicrophysicallyneuropathicallynonreproduciblenonsaponifiablesidesplittinglysubreptitiously

About this list

Words
21 (5 common words)
Common example
atmospherically
Rare example
subreptitiously
Doubled letters
15
Ending in S
1
Most frequent letter
I (20)

Questions

How many 15-letter words matching _____p_______l_ are there?

21. 5 of them are common words.

What is a common example?

ATMOSPHERICALLY is among the common words in this set.