headcounter vs pollster

headcounter and pollster both are nouns.

Word	Noun	Adjective	Verb	Adverb
headcounter	Yes	No	No	No
pollster	Yes	No	No	No

As nouns, headcounter and pollster are synonyms defined as:

headcounter and pollster: someone who conducts surveys of public opinion

Other synonyms of headcounter include canvasser, poll taker.

headcounter (noun)	pollster (noun)
someone who conducts surveys of public opinion	someone who conducts surveys of public opinion