• antwerpen,
• interp,
• andwer,
• antbord,
• anthocerotacea,
• zntwerp,
• sntwerp,
• wntwerp,
• qntwerp,
• abtwerp,
• amtwerp,
• ajtwerp,
• ahtwerp,
• anrwerp,
• anfwerp,
• anterp,
• antwerpp,
• antwurp,
• antwarp,
• antwerpem

• anteroom,
• anterior,
• andersen,
• Andersson,
• antheral,
• anderman,
• Anders,
• antheraea,
• Andera,
• anther,
• anderson,
• antwerpen,
• anderton,
• another,
• anderegg,
• Andre.

The adjective form of the word "Antwerp" is "Antwerpian".

The plural form of the word "antwerp" is "antwerps".

The singular form of the word "antwerp" is still "Antwerp". It is a proper noun and does not change in its singular form.