Here are some possible words:
pacified
packaged
packeted
pajamaed
palpated
paltered
pampered
pancaked
pandered
panelled
panicked
panicled
paranoid
parceled
pardoned
parented
parkland
parlayed
parleyed
parodied
parroted
passaged
password
pastored
pastured
patented
pattered
paupered
pedalled
pegboard
pelleted
pellucid
penciled
pennoned
peppered
perfumed
perilled
perished
perjured
permuted
pervaded
pestered
petalled
phalloid
philtred
pickaxed
picketed
pictured
pilchard
pilfered
pillaged
pillared
pillowed
pinewood
pinioned
pinnated
pipetted
placated
playland
plighted
ploughed
plumaged
pocketed
poetized
pogromed
poisoned
pokeweed
polaroid
poleaxed
poleward
polished
pollened
polluted
polypoid
pommeled
pondered
pondweed
portaged
portaled
portland
postcard
postpaid
postured
potholed
potshard
potsherd
pottered
powdered
powwowed
prattled
preached
prearmed
preceded
precised
predated
prefaced
prefixed
preluded
premised
premixed
prepared
presaged
presided
presumed
prettied
prickled
priested
prismoid
prisoned
probated
procured
produced
profaned
profiled
profited
profound
prologed
promised
promoted
prompted
proposed
propound
prorated
provided
provoked
puckered
pulpwood
pulsated
pummeled
punished
purblind
purebred
purified
purposed
puruloid
purveyed
pustuled
puttered
proud, plaid, pretend
Some words that start and end with P are:parsnippeeppimpplopplumppolyppoopprimpproppulp
There are no words that start with p and end with q. Suq, tranq and umiaq are the only words that end with the letter q.
Some words that start with Q and end with P are quickstepand quip.
Some words that star with P and end with P are:palppapparsnippartnershippawnshoppeeppenmanshippeppickuppimppinuppipplopplumppolyppomppooppopprepprimpproppulppumppup
papacypersistencypharmacypiracypolicypotencypregnancypresidencypricyprivacyproficiencyprophecy
overlapoversleepownership
Amp, airship and asleep end with the letter p. Atop, archbishop and authorship end with the letter p.
overlap
Here are some:entrapeditorshipequipeavesdropenvelopescallopestopeyecup
Aesop
Some words that begin with the letter p and end with the letters ph:paragraphphonographphotographpictographpolygraph