Canvass and Dissertate

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

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

Dissertate verb - Talk at length and formally about a topic.

Canvass and dissertate are semantically related in talk over with another topic. Sometimes you can use "Canvass" instead a verb "Dissertate".