block vote vs ballot

block vote and ballot both are nouns.

Word	Noun	Adjective	Verb	Adverb
block vote	Yes	No	No	No
ballot	Yes	No	Yes	No

As nouns, ballot is a hypernym of block vote; that is, ballot is a word with a broader meaning than block vote:

block vote: a vote proportional in magnitude to the number of people that a delegate represents
ballot: a choice that is made by counting the number of people in favor of each alternative

Other hypernyms of block vote include balloting, vote, voting.

block vote (noun)	ballot (noun)
a vote proportional in magnitude to the number of people that a delegate represents	a choice that is made by counting the number of people in favor of each alternative
	a document listing the alternatives that is used in voting

block vote (verb)	ballot (verb)
	vote by ballot