| A | B |
| exracurricular | adj outside regular course of study |
| extraneous | adj irrelevant; foreign |
| extravagant | adj excessive; extremely abundant |
| intramural | adj existing within bounds of school |
| intrastate | adj within boundaries of a state |
| intravenous | adj within a vein or veins |
| contrabond | n smuggled goods |
| contravene | n violate; break |
| controversy | n a dispute; argument |
| intercede | v to plead on another's behalf |
| interlude | n a period of time taking up space |
| intermediary | n one that acts as an agent between persons or things |
| intermission | n free time between the acts of a theatrical performance |
| intersect | v to cut across or through; overlap |
| intervene | v to act as a mediary; come between two things |
| EXTRA | outside |
| INTRA | within |
| CONTRA(O), COUNTER | against |
| INTER | between |