Difference between Canvass and canvas

These two words are pronounced the same way and they have similar stress pattern. They also have almost the same derivatives. A. CANVASS  (verb) canvass; 3rd person present: canvasses; past tense: canvassed; past participle:canvassed; gerund or present participle: canvassing 1a. Solicit votes from (electors or members). Example: In each ward, two workers canvassed some 2,000 voters […]