How to spell RSVP correctly?

We think the word rsvp 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.

• rasp The old man's voice had a noticeable rasp as he spoke.
• RESP
• RSV RSV is a common virus that causes respiratory infections in young children.
• RSVP I would love to come to your party, but I have to RSVP.

Apsolutly

• absolute
• absolutely
• absolutes
• apostle
• appositely
• aptly
• astutely
• axolotl
• axolotls
• desolately