2. (1) arch- means chief; first
Examples
Archetype = original
Archbishop = chief bishop
Archeology = study of first people or ancient times

3. (2) be- means over; thoroughly
Examples
Bedaub = smear all over
Befuddle = to confuse totally
Beguile = totally charm or even deceive

4. (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)

5. (4) cata- means down Catastrophe = disaster Cataract = waterfall
Examples
Catastrophe = disaster
Cataract = waterfall
Catapult = to hurl (throw down)

6. (5) circum- means around
Examples
Circumnavigate = travel all the way around the world
Circumspect = cautious (looking around)
Circumscribe = to limit (place a circle around)

7. (6) com-/con- means with; together
Examples
Combine = put together with
Communicate = talk with
Conference = meeting

8. (7) co-/col- means with; together
Examples
Coeditor = editor with another
Collateral = connected with
Collate = to put together

9. (8) Cor- means with; together
Examples
Correlate = to match up with
Corroborate = to confirm; to verify

10. (9) Contra-/contro- means against
Examples
Contravene = conflict with
Controversy = argument or dispute
Contradictory = disagreeing with

11. (10) Demi- means partly; half
Examples
Demigod = partly a god
Demitasse = small cup