pepperoni
Primper.
There are no 23 letter words in the English language starting with the letter p.
plaza
personae, personal, plastics
Some 10 letter P words:partialityparticularpermissionpersonallyprecautionpresupposepronouncedproportionprejudicedproportionprefermentprepaymentpreachmentplacementspracticingpercentileproductivepermissiveprovisionsprotectionprovention
preposterous
procrastinate
pi
Primper.
pepperoni
Party-trap.
The word you're after is sweepstake
There are no 23 letter words in the English language starting with the letter p.
prize
Pepsi
pressed