• xin,
• giv,
• tivo,
• siv,
• civl,
• keiv,
• wiv,
• xyz,
• givw,
• div,
• viv,
• xit,
• miv,
• civd,
• givi,
• ahv,
• giev,
• civc,
• wiev,
• fiv

The adjective form of the word "xiv" is "fourteenth".

The plural form of "xiv" is "xivs".

The singular form of the word "xiv" is "xiv" itself. "XIV" is a Roman numeral that represents the number 14. Since Roman numerals do not have a distinct singular or plural form, "xiv" remains the same regardless of whether it represents one or multiple occurrences of the number 14.