• rrevelyan,
• frevelyan,
• grevelyan,
• yrevelyan,
• 6revelyan,
• 5revelyan,
• teevelyan,
• tdevelyan,
• tfevelyan,
• ttevelyan,
• t5evelyan,
• trevlyan,
• trevelyn,
• travelyan,
• trevalyan,
• trevelian,
• trevelyen,
• treelyn,
• trevelein,
• grevelia

• trivially,
• trivalent,
• traveling,
• travel,
• travelable,
• travel by,
• travelling,
• trivial,
• travel plan,
• travel agent,
• travail,
• travel along.

The plural form of the word "Trevelyan" is "Trevelyans".

The singular form of the word "Trevelyan" is "Trevelyan". It is both a surname and a given name, which does not change in singular form.