(1) arch- means chief; first Examples Archetype = original Archbishop = chief bishop Archeology = study of first people or ancient times
(2) be- means over; thoroughly Examples Bedaub = smear all over Befuddle = to confuse totally Beguile = totally charm or even deceive
(3) bi- means two Bicycle = two-wheeled fun Biennial = every two years Examples Bicycle = two-wheeled fun Biennial = every two years Bicameral = two groups/houses (like in congress)
(4) cata- means down Catastrophe = disaster Cataract = waterfall Examples Catastrophe = disaster Cataract = waterfall Catapult = to hurl (throw down)
(5) circum- means around Examples Circumnavigate = travel all the way around the world Circumspect = cautious (looking around) Circumscribe = to limit (place a circle around)
(6) com-/con- means with; together Examples Combine = put together with Communicate = talk with Conference = meeting
(7) co-/col- means with; together Examples Coeditor = editor with another Collateral = connected with Collate = to put together
(8) Cor- means with; together Examples Correlate = to match up with Corroborate = to confirm; to verify
(9) Contra-/contro- means against Examples Contravene = conflict with Controversy = argument or dispute Contradictory = disagreeing with
(10) Demi- means partly; half Examples Demigod = partly a god Demitasse = small cup