suppliant vs canvasser

suppliant and canvasser both are nouns.

Word	Noun	Adjective	Verb	Adverb
suppliant	Yes	Yes	No	No
canvasser	Yes	No	No	No

As nouns, canvasser is a hyponym of suppliant; that is, canvasser is a word with a more specific, narrower meaning than suppliant:

Other hyponyms of suppliant include besieger, postulant, solicitor.

suppliant (noun)	canvasser (noun)
one praying humbly for something	someone who conducts surveys of public opinion
	someone who examines votes at an election
	a petitioner who solicits contributions or trade or votes
	a person who takes or counts votes

suppliant (adjective)	canvasser (adjective)
humbly entreating