Another word for faultless that starts with the letter "p" is "pristine." This term conveys a sense of being unspoiled, perfect, or in its original condition, often used to describe something that is flawless or without any defects.
perfect or pure
Position.
pester
plagiarize
Professional
Pail.
Another name is pant.
Particle
Plundering
pressed
pestering
penitence