As nouns the difference between allies and actions

is that allies is plural of lang=en while actions is plural of lang=en.

As verbs the difference between allies and actions

is that allies is third-person singular of ally while actions is third-person singular of action.

As a proper noun Allies

is the countries allied against the Axis Powers during World War II. The major signatories included the United States, Soviet Union, Britain, France, Canada, and China.