Paddles are needed to operate light water transports like canoes.
Parachutes are used by thrill seekers and the military.
Passengers are transport-related too.
Patrol cars are used by police and security services.
Pilots are needed to fly planes and helicopters.
Police cars are an emergency vehicle.
Power boats are fast methods of water transport.
Push carts are used for fun.
Here are a some. I'm sure there are many more.
Petite. It's originally a french word, but it's been adopted into English and is widely accepted.
pets
Pucks
Pessimistic is a synonym for something bad happening. It begins with p.
pouncepranceplungepushpull
a word that is similar to hate and starts with a p can be pique!
PourPoorPoutpintPantPinkPlayPlotPearPartPoolPastPolepollPullPaid
perimintko
pure
A six letter word that starts with N and includes an I and a P is NIPPLE.
There are no 23 letter words in the English language starting with the letter p.
seamanship
"Pristine" is a word that can be synonymous with holy and starts with the letter P.
Map
Private Detective
putrid
polo