| A | B |
|---|
| retro | (latin) back; behind |
| pro | (latin) before; forward |
| retroactive | acting on or affecting that which is past |
| retroflex | adj, bent or curved backward |
| retroflex | v, articulate (a consonant) with the tongue curled back against the palate |
| retrogression | returning to a former state |
| retrospect | looking back on the past |
| progenitor | direct line; a person who first thinks of something and causes it to happen |
| progeny | immediate descendents; offspring |
| prognosis | prediction about how something will happen |
| prolix | tediously prolonged or tending to speak or write at great length |
| prologue | an event or act that leads to something more important; introduction to a play |
| propound | put forward, an idea |
| logos | (greek) study or science of; word or speech |
| anthropology | n, study of people using fossils, history, and language |
| chronology | n, timeline; arrangement of events in time |
| cosmology | n, the branch of astrophysics that studies the origin, evolution, and structure of the universe |
| etymology | n, study of the history and origin of a word |
| ichthyology | n, the branch of zoology that studies fish |
| ornithology | n, the branch of zoology that studies birds |
| paleontology | n, The branch of archeology that studies fossil organisms and related remains |
| petrology | n, The branch of geology that studies rocks |
| philology | The humanistic study of language and literature |
| tautology | n, useless repetition |
| verus | (Latin), true |
| vertere | (Latin) to turn |
| convert | n, person who has been converted to another religions or political belief |
| convert | v, change from one thing to another (belief, system, plan, etc. ) |
| controvert | v, be resistant to; dispute |
| extrovert | n, an outgoing person; an interest outside oneself |
| inadvertent | adj, without intention |
| invert | v, turn inside out or upside down |
| introvert | n, a person who turns within and shrinks from social situations |
| introvert | v, turn inside |
| subvert | v, destroy completely; cause the downfall of |
| vertigo | n, dizzy sensation |
| veracious | adj, habitually speaking the truth; precisely accurate |
| verisimilitude | n, the appearance of truth; the quality of seeming to be true |
| veracity | unwillingness to tell lies; truthfulness |
| veritable | adj, not counterfeit or copied; absolute |
| ob | against; in the way of |
| occlude | v, occlude- to shut off; to block off a passage |
| obdurate | adj, not easily influenced by others--stubborn; resistant to emotion--hardhearted |
| obese | adj, excessively fat |
| obloquy | n, verbal attack, condemnation |
| obnoxious | adj, causing disapproval or protest |
| oppress | v, come down on or keep down by unjust use of one's authority |
| opprobrium | v, harsh criticism, extreme dishonor, state of disgrace |
| oppugn | v, to question the validity or truthfulness of something |
| obstreperous | adj, obstreperous-boisterously and noisily aggressive |
| obtrude | v, thrust oneself in as if by force |
