Pace, pack, package, pad, padlock, page, pageant, pager, pail, pain, paint, palace, pallet, palm, pamphlet, pan, pancake, panda, panel, pansies, panther, papaya, paper, parable, parachute, paragraph, parakeet, parcel, parent, pathetic, pea, peace, peach, peacock, peak, peanut, pear, pearl, pebble, pecan, peck, peculiarity, peddler, pedestal, pedestrian, pedometer, pelican, pellet, pen, penalty, penance, pencil, pendulum, penguin, peninsula, penlight, pennant, penny, pension, pentagon, pentathlon, peony, people, pepper, percentage, perception, perch, perfection, performance, perfume, perimeter, period, periodical, periscope, perjury, permit, peroxide, perseverance, person, personality, personnel, perspective, pessimistic, petite, perfect, petty, philanthropic, pitiful, pleasant, plump, poised, polite, pompous, powerful, pragmatic, precious, pretentious, pretty, private, productive, professional, proud, psychotic, purposeful and pushy are words. They begin with the letter p. There are thousands of words that begin with p.
· pace
· pack
· pact
· pads
· page
· paid
· pail
· pain
· pair
· pale
· palm
· pane
· pang
· pans
· pant
· papa
· pare
· park
· pars
· part
· pass
· past
· pate
· path
· pave
· pawn
· pays
· peak
· peal
· pear
· peas
· peat
· peck
· peek
· peel
· peep
· peer
· pegs
· pelt
· pens
· perk
· perm
· peso
· pest
· pets
· pews
· pier
· pies
· pigs
· pike
· pine
· ping
· pink
· pins
· pint
· pipe
· pits
· pity
· plan
· play
· plea
· plod
· plop
· plow
· ploy
· plug
· plum
· plus
· pods
· poem
· poet
· poke
· poky
· pole
· poll
· polo
· pomp
· pond
· pony
· pool
· poor
· pope
· pork
· port
· post
· pots
· pour
· pout
· pray
· prep
· prom
· pros
· pubs
· puff
· pull
· pump
· punk
· punt
· pure
· push
· putt
Pulses
Pearl.
A piste
pensive
The opposite of ornate is plain.
Pneumonoultramicroscopicsilicovolcanoconiosis (also happens to be the longest word in the English language)
The longest word starting with a "P" is pneumonoultramicroscopicsilicovolcanoconiosis, which has 45 letters and is in the Guinness Book of Records. It was, however, coined for the specific purpose of becoming the longest word, and is not a specifically recognized form of silicosis.
The longest word starting with E is Electroencephalographically.
Scoop, Soup, and others, I'm not 100% sure about the rest though
Floccinaucinihilipilification is the longest word starting with F; it means the act of estimating something as worthless.
Youthfulness is the longest word starting with the letter Y. It contains twelve letters.
p-
Extraterritoriality is the longest word in the English language beginning with "ex."
Methionylthreonylthreonylglutaminylalanyl...isoleucine. It has 189819 letters and the longest word in the world.
enormous
iufijifidafhudfhafa
forethoughtfulness