How Donald wins a trick? (6)

I believe the answer is:

trumps

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'wins a trick?' is the definition.
The definition and answer can be both related to competing as well as being verbs in their -s form.
Perhaps you can see an association between them that I don't see?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for trumps that I've seen before include "Outdoes" , "These cards will win" , "Playing cards temporarily ranked above others" , "Highest-ranking suit" , "Cards designated as having added value in game" .)

I've seen this clue in The Sun.

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