• trumbone,
• rrumbo,
• frumbo,
• grumbo,
• yrumbo,
• 6rumbo,
• 5rumbo,
• teumbo,
• tdumbo,
• tfumbo,
• ttumbo,
• rtumbo,
• trubmo,
• trumpo,
• trumboe,
• trumbe,
• trombo,
• Trumbow,
• Trumbu,
• Trumboh

• trim back,
• tramp,
• trump,
• trump out,
• trimboli,
• trimpe,
• trumbull,
• trumbauer,
• Trumble,
• trombone.

The plural form of the word "trumbo" is "trumbos".

The singular form of the word "trumbo" is "trumbo". Both the singular and plural forms of the word are the same.