poll vs circularize

poll is a noun but circularize is not a noun.

Word	Noun	Adjective	Verb	Adverb
poll	Yes	No	Yes	No
circularize	No	No	Yes	No

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

Other hyponyms of poll include circularise.

poll (noun)	circularize (noun)
the counting of votes (as in an election)
the top of the head
the part of the head between the ears
an inquiry into public opinion conducted by interviewing a random sample of people
a tame parrot

poll (verb)	circularize (verb)
convert into a pollard	make circular
get the opinions (of people) by asking specific questions	cause to become widely known
vote in an election at a polling station	distribute circulars to
get the votes of	canvass by distributing letters
	canvass by using a questionnaire