How to spell NIUSUS correctly?

We think the word niusus is a misspelling. It could be just an incorrect spelling of the words which are suggested below. Review the list and pick the word which you think is the most suitable.

• Missus I saw the missus walking her dog in the park earlier today.
• Neuss Neuss is famous for its rich history and Roman architecture.
• Nimbus The storm clouds formed a dark nimbus overhead, signaling an imminent downpour.

Attenttion

• attention
• attentions
• attenuation
• inattention