Canvass and Knock around

Canvass verb - To go around and approach (people) with a request for opinions or information.

Knock around and canvass are semantically related In some cases you can use "Knock around" instead a verb "Canvass".

Canvass and knock around are semantically related in argue topic. Sometimes you can use "Canvass" instead a verb "Knock around", if it concerns topics such as talk over with another.