Synergise vs Collaborate - What's the difference?

As verbs the difference between synergise and collaborate

is that synergise is while collaborate is to work together with others to achieve a common goal.

(synergis)

(collaborat)

To work together with others to achieve a common goal.

Let's collaborate on this dictionary, and get it finished faster.

To voluntarily cooperate treasonably, as with an enemy occupation force in one's country.

If you collaborate with the occupying forces, you will be shot.

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