1. canvas
2. setting, background, scope, poll
3. opinion poll, public opinion poll, inquiry, enquiry, research, sail
4. canvas, sheet, piece of cloth, piece of material, canvas tent
5. canvas, tent, collapsible shelter, canvas
6. oil painting, canvas
7. mat, gym mat, canvas

1. fabric, cloth, material, textile, poll
2. canvas, survey, canvas
3. solicit, beg, tap, analyze
4. analyse, study, examine, canvas, canvas
5. solicit, beg, tap, poll
6. canvas, survey, canvas
7. cover, analyze
7. analyse, study, examine, canvas