| A | B |
| con( adv) | against; on the negative side |
| con(n.) | opposing argument; reason against |
| contraband (n.) | illegal merchandise; smuggled goods |
| contravene (v.) | go or act contrary to; violate |
| controversy(n.) | dispute; debate; quarrel |
| counter(adv.) | contrary; in the opposite direction |
| countermand (v.) | cancel an order; revoke |
| inconvertible(adj) | not able to be turned against or disputed |
| E-, EX- | out, from, away |
| IN-, IM- | in, into, on against, over |
| EMIGRATE | move from a country or region |
| IMMIGRATE | move into a foreign country |
| EMINENT | standing out; famous |
| IMMINENT | about to occur |
| ENERVATE | lessen the strength of;weaken |
| EROSION | gradual wearing away;deterioration |
| EVOKE | bring out;elicit;produce |
| INVOKE | call for help or protection |
| EXCISE | remove by cutting out |
| INCISE | cut into ; carve;engrave |
| EXCLUSIVE | shutting out; not for everyone |
| INCLUSIVE | broad in scope; for everyone |
| EXHIBIT | show; display |
| INHIBIT | hold in check; restrain; repress |
| EXPEL | to force out |
| IMPEL | drive on; force |
| IMPLICATE | show to be part of; involve |
| IMPUGN | call in question; attack as false |
| INCARCERATE | put in prison |
| INSCRIBE | write, engrave or print |
| INSURGENT | one who rises in revolt |
| INTERLINEAR | inserted between lines already written |
| INTERLUDE | time between event; break |
| INTERMEDIARY | go-between; mediator |
| INTERMISSION | pause between periods of activity |
| INTERSECT | cut by passing through or across |
| INTERURBAN | between cities and towns |
| INTERVENE | come between; mediate |