foe

adjective1

1. •
   (no longer used) Hostile.

noun2

1. •
   An enemy.

   • And a mans foes shalbe they of his owne houshold. — 1611
2. •
   A unit of energy equal to 10⁴⁴ joules.

noun2

1. •
   Initialism of freedom of expression.
2. •
   Initialism of forces of evil.