survey vs canvass

survey and canvass both are nouns.

Word	Noun	Adjective	Verb	Adverb
survey	Yes	No	Yes	No
canvass	Yes	No	Yes	No

As verbs, canvass is a hypernym of survey; that is, canvass is a word with a broader meaning than survey:

survey: consider in a comprehensive way
canvass: consider in detail and subject to an analysis in order to discover essential features or meaning

Other hypernyms of survey include analyse, analyze, examine, study.

As verbs, canvass is a hypernym of survey; that is, canvass is a word with a broader meaning than survey:

survey: make a survey of; for statistical purposes
canvass: consider in detail and subject to an analysis in order to discover essential features or meaning

Other hypernyms of survey include analyse, analyze, examine, study.

As verbs, canvass is a hyponym of survey; that is, canvass is a word with a more specific, narrower meaning than survey:

Other hyponyms of survey include poll.

survey (noun)	canvass (noun)
the act of looking or seeing or observing	a heavy, closely woven fabric
a detailed critical inspection	the mat that forms the floor of the ring in which boxers or professional wrestlers compete
short descriptive summary (of events)	a tent made of canvas fabric
	a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
	an oil painting on canvas fabric
	an inquiry into public opinion conducted by interviewing a random sample of people
	the setting for a narrative or fictional or dramatic account

survey (verb)	canvass (verb)
consider in a comprehensive way	consider in detail and subject to an analysis in order to discover essential features or meaning
plot a map of (land)	solicit votes from potential voters in an electoral campaign
make a survey of; for statistical purposes	get the opinions (of people) by asking specific questions
hold a review (of troops)
look over carefully or inspect
keep under surveillance