15-Letter Words Matching P_____P________

There are 12 15-letter words that match P_____P________. 2 are common words, such as PREDISPOSITIONS and PRESUPPOSITIONS. A rarer one is PSYCHOPHYSICIST. 2 words contain a doubled letter.

Full list 12

predispositionspresuppositionsphenolphthaleinplainspokennesspleuropneumoniapseudepigraphalpseudepigraphicpsychopathologyphysiopathologypseudepigraphonpseudopregnancypsychophysicist

About this list

Words
12 (2 common words)
Common example
predispositions
Rare example
psychophysicist
Doubled letters
2
Ending in S
3

Questions

How many 15-letter words matching p_____p________ are there?

12. 2 of them are common words.

What is a common example?

PREDISPOSITIONS is among the common words in this set.