How to spell PLUCIDITY correctly?

We think the word plucidity 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.

• lucidity Despite her illness, she occasionally had moments of lucidity where she could remember and engage in coherent conversations.
• placidity The placidity of the lake's surface made it a perfect setting for a tranquil morning swim.

Attenttion

• attention
• attentions
• attenuation
• inattention