• whitacker,
• whittaker,
• shitake,
• whataver,
• whickker,
• whittiker,
• Whitster,
• whirtaker,
• wittaker,
• whttaker,
• whittacker,
• Whiticker,
• Whitakker,
• qhitaker,
• ahitaker,
• shitaker,
• whitakerr,
• witaker,
• Whitiker,
• Whipeister

• whitacre,
• Whittaker,
• whiteaker,
• whitcher.

The adjective form of "Whitaker" is "Whitakerian".

The plural form of "Whitaker" is "Whitakers".

The singular form of the word "Whitaker" is "Whitaker". Since "Whitaker" is already a proper noun, it does not change when referring to a single person.