The plural form of the noun voter is voters.
The plural possessive form is voters'.
Example: The winner is Ms. Higgenbottom, the voters' choice.
The plural possessive form of "voter" is "voters'".
The plural possessive form of "senators" is "senators'."
The possessive plural of "president-elect" is "presidents-elect."
The singular is senator and the possessive is senator's (one senator).The plural is senators and the plural possessive is senators' (referring to more than one senator).
Senators'
The possessive form for the plural noun citizen is citizens'.
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.
The correct form is "its" for the possessive form in the plural. "Its" is used for both the singular and plural possessive forms, without an apostrophe.
The plural is briefs. The plural possessive is briefs'.
The plural is lads. The plural possessive is lads'.
The plural is trollies. The plural possessive is trollies'.
The plural is relatives. The plural possessive is relatives'.
The plural is stations. The plural possessive is stations'.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
The singular possessive form is heart's; the plural possessive form is hearts'.
The plural form is homes; the plural possessive is homes'.
The plural of rose is roses. The plural possessive is roses'.
The singular possessive is biker's; the plural possessive is bikers'.