Queer means strange or odd.
Quench means to put out; to satisfy thirst.
Ratify means to approve formally.
Rational means based on reason; sensible.
Rationale means the reasons behind something; a justification.
Rebuff means to reject or snub bluntly.
Reclamation means the recovery of something lost or taken.
Quarry means an animal or person being hunted; prey.
Proficient means skilled; expert.
Profuse means plentiful; lavish.
Propensity means a natural tendency or inclination.
Proprietary means owned by a private person or company.
Prosaic means dull and unimaginative; ordinary.
Providence means the protective care of God or nature.
Proximity means nearness in space or time.
Prudent means careful and sensible.
Precipitation means rain, snow or other water falling from the sky.
Predicament means a difficult or unpleasant situation.
Prerogative means a special right or privilege.
Pretence means a false show; something pretended.
Pretext means a false reason given to hide the real one; an excuse.
Proclivity means a natural tendency or liking.
Profane means to treat something sacred with disrespect.
Precarious means risky; unsafe.
Persevere means to continue in spite of difficulty.