• vellingham,
• nellingham,
• hellingham,
• gellingham,
• bwllingham,
• bsllingham,
• bdllingham,
• brllingham,
• b4llingham,
• b3llingham,
• beklingham,
• beplingham,
• bellinguam,
• belingham,
• bellingam,
• belllingham,
• Hellingia,
• Belinham,
• Bellengam,
• Bilingham

• bellowing,
• bellying,
• bellinger,
• billing,
• Bolling,
• Balling,
• belonging,
• behling,
• belling.

The plural form of "Bellingham" is "Bellinghams".

The singular form of the word "Bellingham" remains as "Bellingham" itself, regardless of whether it is used as a proper noun referring to a place or a common noun referring to a specific aspect related to that place.