Paleolith :: Paleolith (n.) A relic of the Paleolithic era.
Paleolithic :: Paleolithic (a.) Of or pertaining to an era marked by early stone implements. The Paleolithic era (as proposed by Lubbock) includes the earlier half of the Stone Age; the remains belonging to it are for the most part of extinct animals, with relics of human beings..
Paleologist :: Paleologist (n.) One versed in paleology; a student of antiquity.
Paleology :: Paleology (n.) The study or knowledge of antiquities, esp. of prehistoric antiquities; a discourse or treatise on antiquities; archaeology ..