phenomenal
Primper.
There are no 23 letter words in the English language starting with the letter p.
paralegalparamountpassengerpermanentperfectedplacementplasteredprosperedproducingpreparingpracticedpracticalprovisionproactiveprotectedprocedureprojectedprojectedperfectedpromotionpresenterporcupinepossessiveproclivitypopulatedpartridgepronounceprofanitypreoccupypulverizepreviewedprocuringprocedurepostulatepatricideparalyzedparagraphparachuteprosperedpatchworkprimitiveprobativepageantry
plaza
phenomena
Some 10 letter P words:partialityparticularpermissionpersonallyprecautionpresupposepronouncedproportionprejudicedproportionprefermentprepaymentpreachmentplacementspracticingpercentileproductivepermissiveprovisionsprotectionprovention
procrastinate
pi
phenomenal
Primper.
preposterous
There are no 23 letter words in the English language starting with the letter p.
paralegalparamountpassengerpermanentperfectedplacementplasteredprosperedproducingpreparingpracticedpracticalprovisionproactiveprotectedprocedureprojectedprojectedperfectedpromotionpresenterporcupinepossessiveproclivitypopulatedpartridgepronounceprofanitypreoccupypulverizepreviewedprocuringprocedurepostulatepatricideparalyzedparagraphparachuteprosperedpatchworkprimitiveprobativepageantry
prize
pressed
penitence