An opponent is in opposition. An enemy not only opposes but causes harm & injury. Ex. All sports are contestants between opponents, but they do not have to be wars amongst enemies.
opponent, foe, adversary
adversaries means rival or better yet, enemy. Another way to describe adversaries are intruders. You get it. Basically, it means a meddlesome opponent.
That is the correct spelling of the word "enemy" (foe, opponent).
That is the correct spelling of "nemesis" (enemy, opponent, or foe).
enemy, opposer, rival, opponent
opponent, foe
opponent, foe, adversary
enemy
Well, technically, they're the same thing. But I suppose you could say that an arch enemy is a forever enemy, as an enemy may just be your enemy for a few days.
Arch Enemy: A hero's worst enemy, especially in a work of fiction. Mortal Enemy: An enemy who wants to kill a hero. source: http://encyclopedia.thefreedictionary.com/
That could be an enemy combatant or an antagonist or an opponent.
adversary, rival, foe, opponent
enemy, foe, opponent, competitor
An antipathist is a person who acts as an enemy or opponent.
The ultimate opponent, the great enemy.
adversaries means rival or better yet, enemy. Another way to describe adversaries are intruders. You get it. Basically, it means a meddlesome opponent.
YOu could also call an enemy a fiend or an opponent, hope this helps :)