Here are the top three for the month of September:
1. Absentee voting or ballots, such as the false idea that it will be an unreliable way to vote: 410,918 mentions
2. Voter fraud, such as mentions of misleading stories about criminal conduct involving mail-in ballots: 345,040 mentions
3. Voter IDs, such as the baseless idea that in states with strict voter ID laws, mail-in ballots have been dumped out: 31,021 mentions
