12-Letter Words Matching ______P__N__

There are 22 12-letter words that match ______P__N__. 9 are common words, such as DEVELOPMENTS and ENVELOPMENTS. A rarer one is TRYPTOPHANES. In this set, S is the most frequent open letter (19 words). 5 words contain a doubled letter.

Full list 22

developmentsenvelopmentsfingerprintsgreasepaintsneedlepointsoutcroppingsquadraphonicstereophonicwiretappingsanswerphonesapomorphineschloropreneschordophonesheckelphonessilverpointscorecipientsdodecaphonickneecappingsnoncompoundsquadriphonicreequipmentstryptophanes

About this list

Words
22 (9 common words)
Common example
developments
Rare example
tryptophanes
Doubled letters
5
Ending in S
18
Most frequent letter
S (19)

Questions

How many 12-letter words matching ______p__n__ are there?

22. 9 of them are common words.

What is a common example?

DEVELOPMENTS is among the common words in this set.