proprietary protected by trademark or patent or copyright
proprietor someone who owns a business
propaganda information that is spread to promote some cause
proprietorship an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits
propagator someone who spreads the news
propanediol a sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
propitiatory intended to reconcile or appease
propaedeutic preceding and preparing for something
preponderance exceeding in heaviness; having greater weight
propensity a natural inclination
rampant arch an arch whose support is higher on one side than on the other
preponderate weigh more heavily
European white birch European birch with silvery white peeling bark and markedly drooping branches
prebendary a canon who receives a prebend for serving the church
proponent a person who argues for a cause or puts forward an idea
propenonitrile a colorless liquid unsaturated nitrile made from propene
preponderating having superior power or influence
propenoate a salt or ester of propenoic acid
precentorship the position of precentor
propound put forward, as of an idea