partners
packages
pinapple
properly
panicked
polished
privates
partied
politics
calthrop
Plankton
personae, personal, plastics
Some 10 letter P words:partialityparticularpermissionpersonallyprecautionpresupposepronouncedproportionprejudicedproportionprefermentprepaymentpreachmentplacementspracticingpercentileproductivepermissiveprovisionsprotectionprovention
preposterous
procrastinate
Primper.
pepperoni
pi
phenomenal
There are no 23 letter words in the English language starting with the letter p.
prize