How to spell CRCHING correctly?

We think the word crching 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.

• arching The arched bridge spanned across the river, creating a breathtaking view.
• caching Website performance can be significantly improved by implementing caching techniques.

Attenttion

• attention
• attentions
• attenuation
• inattention