Choke verb - To keep (someone) from breathing by exerting pressure on the windpipe.
Repress is a synonym for choke in restraint topic. In some cases you can use "Repress" instead a verb "Choke", when it comes to topics like silence by violence.
Repress verb - To refrain from openly showing or uttering.
Usage example: you can't repress your feelings forever, so tell her how you feel about her
Choke is a synonym for repress in restraint topic. You can use "Choke" instead the word "Repress" as a verb or a noun, if it concerns topics such as strangle, silence by violence.
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Google Ngram Viewer shows how "choke" and "repress" have occurred on timeline