The difference between Combat and Oppose

When used as verbs, combat means to fight, whereas oppose means to attempt to stop the progression of.

Combat is also noun with the meaning: a battle, a fight (often one in which weapons are used).

check bellow for the other definitions of Combat and Oppose

Combat as a noun:

A battle, a fight (often one in which weapons are used); a struggle for victory.

Combat as a verb (transitive):

To fight; to struggle against.

Examples:

"It has proven very difficult to combat drug addiction."
Combat as a verb (intransitive):

To fight (with); to struggle for victory (against).

Oppose as a verb:

To attempt to stop the progression of; to resist or antagonize by physical means, or by arguments, etc.; to contend against; to confront; to resist; to withstand.

Examples:

"to oppose the king in battle; to oppose a bill in Congress"

"There is still time to oppose this plan."
Oppose as a verb:

To object to.

Examples:

"Many religious leaders oppose cloning humans."
Oppose as a verb:

To present or set up in opposition; to pose.

Examples:

"They are opposed to any form of hierarchy."
Oppose as a verb:

To place in front of, or over against; to set opposite; to exhibit.