Allied
Part of speech: verb
Definition: To unite, or form a connection between, as between families by marriage, or between princes and states by treaty, league, or confederacy.
Part of speech: adjective
Definition: Joined as allies. The Treaty of Vienna..had bound the Allied Powers to make war together upon Napoleon.
Example sentence: A conveyor belt of Think Tank pundits and allied operatives poured into the TV studios, and together they built a fortress around Mrs. Thatcher's memory that was rooted in theories about economics. They did this because economics is the only language that wonks understand.
Coalition
Part of speech: noun
Definition: A temporary group or union of organizations, usually formed for a particular advantage.
Example sentence: Consequences of linear thinking in Afghanistan and Iraq included overestimating indigenous forces' capabilities, underestimating the enemy, and the associated expectation that the coalition could soon reduce force levels and shift to an exclusively advisory effort.