5 words for NRR 1–3 letters

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1 letter (2)

n r
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2 letters (2)

rn rr
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3 letters (1)

rnr
One’s able to vote
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R
Hint 1 meaning
One who elects, or has the right of choice; a person who is entitled to take part in an election, or to give his vote in favor of a candidate for office.
Hint 2 anagram
RCOTLEE
Hint 3 another clue
A BALLOT CAST BY A VOTER WHO VOTES FOR ALL THE CANDIDATES OF ONE PARTY
10 +1