propitious presenting favorable circumstances
proprietary protected by trademark or patent or copyright
propaedeutics a course that provides an introduction to an art or science
perpetuate cause to continue or prevail
Polypedates type genus of the Polypedatidae
propensity a natural inclination
propaedeutic preceding and preparing for something
propitiate make peace with
propaganda information that is spread to promote some cause
surreptitious marked by quiet and caution and secrecy
propagate multiply through reproduction
propositus the person immediately affected by or concerned with an action
propriety correct behavior
peptidase any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis
proprietress a woman proprietor
proprietor someone who owns a business
peripatetic traveling especially on foot
perpetuity the property of being seemingly ceaseless
Peripatidae a family of Onychophora
peripatus any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms