I need an "eceipt"

I had just paid for my tuition for fall practicum through NSN, and as my usual custom in asking for my records and taxes, I always ask for a "receipt," but this time to my sudden surprise and astonishment, I created a new word. I asked for an "eceipt" instead, and I did it spontaneously. I realized then, that I had created a new word, and off the tip of my tongue I made that unrehearsed mental connection almost unconsciously which flowed from my mouth freely. I realized that since I receive all "proof of purchase" anyway "online", that it was the perfect paperless and neologistic application to the original term, receipt. ha! I bet we've all done that at times.....Talking about all of this in our Linguistics class made it a fun coincidence for me this time because I was aware of the fact that I did it and what to call what I'd done.