GRE : Essential Latin Roots : Pen- and Pre-

perfidy
noun
deliberate breach of faith or trust
 
penchant
noun
strong inclination, taste, or liking for something
 
penitent
adjective
feeling or expressing sorrow for sin or wrongdoing and disposed to atonement and amendment
 
penurious
adjective
extremely stingy
 
penury
noun
extreme poverty
 
peregrination
noun
travel from one place to another, esp. on foot
 
peremptory
adjective
leaving no opportunity for denial or refusal
 
perfidious
adjective
deliberately faithless
 
perfunctory
adjective
performed merely as a routine duty
 
perilous
adjective
involving or full of grave risk or peril
 
peripatetic
adjective
walking or traveling about
 
perish
verb
die or be destroyed through violence, privation
 
permeate
verb
pass into or through every part of
 
pernicious
adjective
causing insidious harm or ruin
 
perpetrate
verb
commit
 
personable
adjective
pleasing personal appearance
 
perspicacity
noun
keenness of mental perception and understanding
 
pertain
verb
have reference or relation
 
precarious
adjective
dependent on circumstances beyond one's control
 
precepts
noun
commandment or direction given as a rule of action or conduct
 
preclude
verb
prevent the presence, existence, or occurrence of
 
precursory
adjective
the nature of a precursor
 
predilection
noun
tendency to think favorably of something in particular
 
predominate
verb
be the stronger or leading element or force
 
preen
verb
to trim with the beak or tongue
 
premature
adjective
occurring, coming, or done too soon
 
preponderance
noun
fact or quality of being preponderant
 
presage
noun
presentiment or foreboding
 
presumption
noun
presuming
 
preternatural
adjective
out of the ordinary course of nature
 
prevalent
adjective
widespread
 
prevaricate
verb
speak falsely or misleadingly