
Noun: Pakistani(s)
Adjective: Pakistani

Noun: Palauan(s)
Adjective: Palauan

Noun: Panamanian(s)
Adjective: Panamanian

Noun: Papua New Guinean(s)
Adjective: Papua New Guinean

Noun: Paraguayan(s)
Adjective: Paraguayan

Noun: Peruvian(s)
Adjective: Peruvian

Noun: Filipino(s)
Adjective: Philippine

Noun: Pitcairn Islander(s)
Adjective: Pitcairn Islander

Noun: Pole(s)
Adjective: Polish

Noun: Portuguese (singular and plural)
Adjective: Portuguese

Noun: Puerto Rican(s) (US citizens)
Adjective: Puerto Rican