platoon.noun
a subdivision of a company of troops consisting of two or more sections and usually commanded by a lieutenant

proxy.noun, plural.proxies
a person authorized to act for another; an agent or a substitute; the authority to act for another; the written authorization to act in place of another

psychiatry.noun
the branch of medicine that deals with the diagnosis, treatment, and prevention of mental and emotional disorders
psychiatric or psychiatrical.adjective
psychiatrically.adverb
psychiatrist.noun
a physician who specializes in psychiatry

poignant.adjective.(pronounced 'poin {like 'coin'} yant')
incisive (poignant criticism); astute and pertinent; relevant (poignant suggestions); keenly distressing to the mind or feelings (poignant anxiety); profoundly moving; touching (a poignant reality); moving; piercing; neat, skillful, and to the point (poignant illustrations supplementing the text); agreeably intense or stimulating (poignant delight)
poignance or poignancy.noun
poignantly.adverb

pecuniary.adjective
of or relating to money (a pecuniary loss; pecuniary motives); financial; requiring payment of money (a pecuniary offense)

practical.adjective
capable of being used or put into effect; useful (practical knowledge of Japanese); level-headed, efficient, and unspeculative; being actually so in almost every respect; of, relating to, governed by, or acquired through practice or action, rather than theory, speculation, or ideals (gained practical experience of sailing as a deck hand); manifested in or involving practice (practical applications of calculus); actually engaged in a specified occupation or a certain kind of work; practicing; capable of being used or put into effect; useful (practical knowledge of nuclear physics); intended to serve a purpose without elaboration (practical low-heeled shoes); concerned with the production or operation of something useful (woodworking is a practical art)

practicable.adjective
capable of being effected, done, or put into practice; feasible; possible; usable for a specified purpose (a practicable way of entry); intended to serve a purpose without elaboration (practical low-heeled shoes); concerned with the production or operation of something useful (woodworking is a practical art); level-headed, efficient, and unspeculative; virtual.(a practical disaster)
practicability.noun
practicably.adverb
practicality or practicalness.noun

profess, professed, professing, professes.verbs
transitive verb use-to affirm openly; declare or claim (I profess that I learn both from observation and intuition); to make a pretense of; pretend (he professed that he disliked driving and flying); to claim skill in or knowledge of (profess medicine); to affirm belief in (profess Buddhism)
intransitive verb use-to make an open affirmation
professedly.adverb

proliferate, proliferated, proliferating, proliferates.verbs
intransitive verb use-to grow or multiply by rapidly producing new tissue, parts, cells, or offspring; to increase or spread at a rapid rate (fears that nuclear weapons might proliferate)
transitive verb use-to cause to grow or increase rapidly
proliferation, proliferator.nouns
proliferative.adjective

prone.adjective
having a tendency; inclined (paper that is prone to yellowing; children who are prone to mischief); lying with the front or face downward
prone, pronely.adverb
in a prone manner (the patient was lying prone on the bed)
proneness.noun

phylum.noun, plural.phyla
Biology - primary division of a kingdom, as of the animal kingdom, ranking next above a class in size
Linguistics - large division of possibly genetically related families of languages or linguistic stocks