15-Letter Words Matching P____________O_

There are 33 15-letter words that match P____________O_. 4 are common words, such as PERSONIFICATION and PREREGISTRATION. A rarer one is PSEUDEPIGRAPHON. In this set, I is the most frequent open letter (33 words). 7 words contain a doubled letter.

Full list 33

Common words

personificationpreregistrationprocrastinationprognosticationparallelizationparametrizationpersonalizationphosphorylationphotoconductionphototransistorprecivilizationprenotification
personificationpreregistrationprocrastinationprognosticationparallelizationparametrizationpersonalizationphosphorylationphotoconductionphototransistorprecivilizationprenotificationprestidigitatorproconservationprointerventionpronunciamentosproselytizationphosphatizationphotoexcitationphotoionizationphotoproductionpostdevaluationpostinoculationpostirradiationpostpollinationpoststimulationposttransfusionpostvaccinationprecancellationpreimplantationpremodificationprussianizationpseudepigraphon

About this list

Words
33 (4 common words)
Common example
personification
Rare example
pseudepigraphon
Doubled letters
7
Ending in S
1
Most frequent letter
I (33)

Questions

How many 15-letter words matching p____________o_ are there?

33. 4 of them are common words.

What is a common example?

PERSONIFICATION is among the common words in this set.