Peach
peach
pawpaw
The country that starts with P and ends with S is Philippines.
Penmanship
patportpartparchmentpantpastpotpratpintputpitpet
salesmanshipscallopscholarshipsharpsheepshipshortstopsitupskipskycapsleepslumpsnowdropsoapsoupspaceshipsponsorshipstampsteamshipstepstickupstopstrapstripstumpswampsweepsyrup