| A | B |
| adversary | an opponent or enemy |
| aggression | a bold, unprovoked attack |
| contradict | to deny or oppose an idea |
| controversy | a dispute between sides holding opposing views |
| discord | a lack of agreement between people |
| embroil | to involve in an argument |
| haggle | to bargain over the price of something |
| skirmish | a minor battle or a preliminary conflict |
| stalemate | a situation in which progress has stopped |
| strife | bitter conflict or violent disagreement |