15-Letter Words Matching P____M_________

There are 14 15-letter words that match P____M_________. 2 are common words, such as PESSIMISTICALLY and POLIOMYELITIDES. A rarer one is PROXIMATENESSES. In this set, I is the most frequent open letter (14 words). 4 words contain a doubled letter.

Full list 14

pessimisticallypoliomyelitidesphotomechanicalphotometricallyphotomicrographphotomicroscopephotomultiplierpaleomagnetismspaleomagnetistsphenomenalisticphenomenologiesphenomenologistplanimetricallyproximatenesses

About this list

Words
14 (2 common words)
Common example
pessimistically
Rare example
proximatenesses
Doubled letters
4
Ending in S
5
Most frequent letter
I (14)

Questions

How many 15-letter words matching p____m_________ are there?

14. 2 of them are common words.

What is a common example?

PESSIMISTICALLY is among the common words in this set.