vote vs upvote

vote and upvote both are nouns.

Word	Noun	Adjective	Verb	Adverb
vote	Yes	No	Yes	No
upvote	Yes	No	Yes	No

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

vote: a choice that is made by counting the number of people in favor of each alternative
upvote: A positive vote on a social media website

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

Other hyponyms of vote include bullet vote, instalike.

vote (noun)	upvote (noun)
a choice that is made by counting the number of people in favor of each alternative	A positive vote on a social media website
the opinion of a group as determined by voting
a legal right guaranteed by the 15th amendment to the US Constitution; guaranteed to women by the 19th amendment
the total number of voters who participated
a body of voters who have the same interests

vote (verb)	upvote (verb)
be guided by in voting	To vote positively on a social media website
express one's choice or preference by vote
express a choice or opinion
bring into existence or make available by vote
express one's preference for a candidate or for a measure or resolution; cast a vote