Fill in and Write-in

Fill in verb - To give information to.

Write-in and fill in are semantically related. In some cases you can replace phrase "Write-in" with "Fill in", this terms are similar.

Write-in noun - A candidate for public office whose name does not appear on the ballot and so must be written on the ballot by the voters.

Fill in and write-in are semantically related. Sometimes you can use "Fill in" instead a verb phrase "Write-in".