The incorrectly spelled word is:

☀ Negociate

The correct spelling is "Negotiate." Negotiate means to discuss, bargain, or reach an agreement through dialogue or compromise.

The other options are spelled correctly:

• Nuisance: Refers to a person, thing, or situation that causes annoyance or inconvenience.
• Negligible: Means something that is so small or unimportant that it can be ignored or considered insignificant.
• Necessary: Means essential or required; something that is needed or must be done.