straw poll vs straw vote

straw poll and straw vote both are nouns.

Word	Noun	Adjective	Verb	Adverb
straw poll	Yes	No	No	No
straw vote	Yes	No	No	No

As nouns, straw poll and straw vote are synonyms defined as:

straw poll and straw vote: an unofficial vote taken to determine opinion on some issue

straw poll (noun)	straw vote (noun)
an unofficial vote taken to determine opinion on some issue	an unofficial vote taken to determine opinion on some issue