ally (EN)
существительное, глагол

существительное “ally”

sg. ally, pl. allies
  1. союзник
    During the war, Canada was a strong ally of the United States.
  2. сторонник (в политическом контексте)
    During the campaign, Maria became an important ally to the mayor, helping him gain the community's trust.

глагол “ally”

ally; he allies; past allied, part. allied; ger. allying
  1. объединяться
    During World War II, the United Kingdom allied with the United States.