Conflict
Part of speech: noun
Definition: A clash or disagreement, often violent, between two opposing groups or individuals. An incompatibility, as of two things that cannot be simultaneously fulfilled.
Part of speech: verb
Definition: To be at odds (with); to disagree or be incompatible To overlap (with), as in a schedule.
Example sentence: The harder the conflict, the more glorious the triumph.
Infringe
Part of speech: verb
Definition: Break or violate a treaty, a law, a right etc.Break in or encroach on something.