Pole Star 
Astronomy
A fairly bright star located within one degree of the celestial north pole, in the constellation Ursa Minor. It is a triple star, the bright component of which is a cepheid variable. Also called North Star, Polaris.
- retributory
- retrick
- retrievability
- retrievable
- retrieval
- retrieve
- retrieveless
- retrievement
- retriever
- retrieverish
- retriever-like
- retrigger
- retrim
- retro
- retro-
- retroact
- retroaction
- retroactive
- retroactive amnesia
- retroactive continuity
- retroactive infinitive
- retroactive inhibition
- retroactive interference
- retroactively
- retroactivity